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2010-09-24T19:41:00.000+05:30

Short-answer Questions for JAVA

2010-09-15T18:06:00.010+05:30

1. 	What will be the output of the following code?
		byte x = 64, y;
		y = (byte) (x << 2);
		System.out.println(y);


	
2.	 What will be the output of the following code:
	byte b;
	double d = 417.35;
	b = (byte) d;
	System.out.println(b);

	
3. 	Given the value of a variable, write a statement, 
	without using if construct, which will produce the 
	absolute value of the variable.

	
4.	 What is wrong with the following code?
	switch(x)
	{
		case 1:
		n1 = 10;
		n2 = 20;
		case 2:
		n3 = 30;
		break;
		n4 = 40;
	}

	
5.	 What will be the output of the following program
	 code?
	int m = 100;
	int n = 300;
	while (++m < — —n);
	System.out.println(m);


	
6. 	What does the following fragment display
	String s = “six:” + 3 + 3;
	System.out.println(s);
	
7.	 What is the output of the following code?
	String s;
	System.out.println(“s = ” + s);

	
8. 	What is the output of the following code?
	String s = new String( );
	System.out.println(“s = ” + s);

	
9. 	What is the problem with the following snippet?
	class Q
	{
		public static void main(String args[ ])
		{
			int i = 5, j = 10;
			if ((i<=j)||(i=10));
			System.out.println(“OK”);
			System.out.println(“NOT OK”);
		}
	}



	
10.	 What will be the output of the following code 
	snippet?
	int x = 10;
	int y = 20;
	if ((x10)
	System.out.println(x);
	else
	System.out.println(y

	
11. 	Show the output the following code:
	int a, b;
	a = 5;
	b = 10;
	if(a > 5)
	if(b > 5)
	{
		System.out.println(“b is ” + b);
	}
	else
		System.out.println(“a is ” + a);
	
12. 	State the output of the following code:
	int a = 10;
	int b = 5;
	if(a > b)
	{
		if(b > 5)
		System.out.println(“b is ” + b);
	}
	else
		System.out.println(“a is” + a);

	
13. 	Give the output of the following code:
	int m = 100;
	while(true)
	{
		if(m < 10)
		break;
		m = m — 10;
	}
	Systm.out.println(“m is ” + m);


	
14. 	Give the output of the following code:
	int m = 100;
	while(true)
	{
		if(m < 10)
		continue;
		m = m — 10;
	}
	System.out.println(“m is ” + m);


	
15. 	Using a single line of code, complete the following 	
	class so that it returns x+y if the value of x is
	equal to y, otherwise returns 0:
	public class XY
	{
		public return int fun(int x, int y)
		{
			.......... (one line code her)
		}
	}

	
16.	 Given a package named EDU.Student, how would 	
	you import a class named Test contained in this
	package? Write one line statement.

	
17. 	Consider the following class defi nition:
	class Student
	{
		abstract double result( )
	}
	This code will not compile since a keyword 
	is missing in the fi rst line. 
	What is the keyword?

	
18. 	Consider the following class fi le?
	import java.awt.*;
	import java.io.*;
	package studentBase;
	class Test
	{
		void display( )
		{
			System.out.println(“RESULTS”);
		}
	}
	Will it compile? YES or NO. Give reason, if No:

	
19. 	Consider the following code:
	class Product
	{
		public static void main(String args [ ])
		{
			int x = 10, y = 20;
			System.out.println(mu1 (x, y));
		}
		int mul(int a, int b)
		{
			return(a * b);
		}
	}
	Will it compile? YES or NO. Give reason, if No:
	
20. 	Given below are two fi les:
	File Employee.java
	package purchase;
	public class Employee
	{
		protected double age = 35.00;
	}
	File Company.java
	import purchase.Employee;
	public class Company
	{
		public static void main(String arg[ ])
		{
			Employee e = new Employee( );
			System.out.println(“Age = ”+e.age);
		}
	}
	Will the fi le Company.java compile? YES or NO. 	
	Give reason, if No.
	
21.	 Consider the following code:
	class A
	{
		void method(int x)
		{
			 System.out.println(“x = ” + x); }
		}
	class B extends A
	{
		void method(int y)
		{ 
			System.out.println(“y = ” + y); 
		}
		void method(String s)
		{ 	
			System.out.println(“s = ” + s);
		 }
		public static void main(String args[ ])
		{
			A a1 = new A( ); A a2 = new B( );
			a1.method(10);
			a2.method(20);
		}
	}
	What will be the output, when executed?

	
22. 	There are three classes that implement and 	
	DataInput and DataOutput interfaces. Two of them 	
	are  DataInputStream and DataOutputStream. 	
	Which is the third one?

	
23.	 What output will the following program produce?
	class Bits
	{
		public static void main(String args[ ])
		{
			short s1 = 3; // 0000 0011
			short s2 = 13; // 0000 1101
			s1 = (short) (s1 ^ s2);
			System.out.println(“Result is”+s1);
		}
	}
	
24. 	State the output of the following program:
	class Condition
	{
		public static void main(String args[ ])
		{
			int x = 10;
			int y = 15;
			System.out.println((x>y)?3.14:3));
		}
	}


	
25.	 Which of the classes in java.io package defines a 	
	method to delete a fi le?

	
26. 	Given a valid File object reference, we can create
 	a new fi le using two classes defi ned in java.io
	package. One is FileOutputStream class. Which is 	
	the other one?


	
27. 	If raf is an instance of RandomAccessFile, how can 	
	we move the fi le pointer to the end of the fi le?
	Write the statement


	
28.	 What will be the output of the following program 	
	when it is executed with the command line
	java Command Java is wonderful
	class Command
	{
	     public staitic void main(String args[ ])
	     {
		for(int i = 1; i < args.length; i++)
		{
			System.out.print(args[i]);
			if( i != args.length )
			{
				System.out.print(“ ”);
			}System.out.println(“ ”);
		}
	}



	
29. 	What will be the output of the following code 
	snippet when combined with suitable 
	declarations and run?
	StringBuffer city = new StringBuffer(“Madras”);
	StringBuffer string = new StringBuffer( );
	string.append(new String(city));
	string.insert(0, “Central ”);
	String.out.println(string);

	
30. 	Consider the following program code:
	class Thread1 extends Thread
	{
		public void run( )
		{
			System.out.println(“Begin”);
			suspend( );
			resume( );
			System.out.println(“End”);
		}
	}
	class ThreadTest
	{
		public static void main(String args[ ])
		{
			Thread1 T1 = new Thread1( );
			T1.start( );
		}
	}
	On execution, what will be the output?


	
31. 	Consider the following application:
	class Max
	{
		public static void main(String args[ ])
		{
			int max = 10;
			max(max, 20, 30);
			System.out.println(max);
		}
		static void max(int max, int x1, int x2)
		{
			if(x1 > x2)
				max = x1;
			else
				max = x2;
		}
	}
	What value is printed out, when executed?


	
32. 	State the output of the following program:
	class Recur
	{
		public static void main(String args[ ])
		{
			int Result = result(10);
		    System.out.println(“Result = ”+Result);
		}
		static int result(int m)
		{
			if (m <= 2)
				return m;
			else
				return m + result(m—2);
		}
	}




	
33. 	Consider the class defi nition:
	class Default
	{
		public static void main(String args[ ])
		{
			int m;
			System.out.println(“m is ” + m);
		}
	}
	Will this code compile? YES or NO. Give reason, if 	
	No.


	
34. 	What is the output of the following program?
	class Static
	{
		static int m = 0;
		static int n = 0;
		public static void main(String args[ ])
		{
			int m = 10;
			int x = 20;
			{
				int n = 30;
			System.out.println(“m+n=”+m+n);
			}
			x = m + n;
			System.out.println(“x = ” + x);
		}
	}


	
35      Consider the following class defi nitions:
	class Square
	{
		private square( ) { }int area(int side)
		{
			return(side * side);
		}
	}
	class Constructor
	{	
		public static void main(String args[ ])
		{
			Square S1 = new Square( );
			int area = S1.area(10);
			System.out.println(area);
		}
	}
	Will the code above compile and run successfully. 	
	YES or NO. Give reason, if No.


	
36. 	Write a statement to draw a rounded rectangle with 	
	the following features:
	width = 200
	height = 100
	corner horizontal diameter = 20
	corner vertical diameter = 40
	Select a suitable upper-left corner of the 
	rectangle


	
37. 	Which line of the following HTML fi le contains 
	an error?
	1. < applet
	2. WIDTH = 400 HEIGHT = 200
	3. CODE = HelloJava.Class >
	4. < param
	5. NAME = “string”
	6. VALUE = “Hello” >
	

	
38. 	Give the output of the following program:
	class MainString
	{
		public static void main(String args[ ])
		{
	       StringBuffer s = new StringBuffer(“String”);
		if(s.length()>5) &&
		(s.append(“Buffer”).equals(“X”); 
		// empty statement
		System.out.println(s);
		}
	}

	
39.	 What is the range of the value that can be 
	assigned to a variable of type long?

	
40. 	Consider the following program :
	class Number
	{
		int x;
		void store(Number num)
		{
			num.x++;
		}
	}
	class MainNumber
	{
		public static void main(String args[ ])
		{
			Number n = new Number( );
			n.x = 10;
			n.store(n);
			System.out.println(n.x);
		}
	}
	What is the output?
	
41. 	Given the code:
	class Continue
	{
		public static void main(String args[ ])
		{
			int m = 0;
			loop1: for(int i=0; i<10; i++)
			loop2: for(int j=0;j<10;j++)
			loop3: for(int k=0;k<10;k++)
			{
				System.out.println(++m);
				if( (k%10) == 0)
					continue loop2;
			}
		}
	}
	What is the last value printed?



	
42. 	Can an abstract method by declared fi nal? YES or 	
	NO. 	If NO, give reason.

	
43. 	Can an abstract method be declared static? YES or 	
	NO. If NO, give reason.
	
44. 	Consider the following try ... catch block:
	class TryCatch
	{
	     public static void main(String args[ ])
	     {			
		try
		{
			double x = 0.0; 
		   throw(new Exception(“Thrown”));
			return;
		}
		catch(Exception e)
		{
	    System.out.println(“Exception caught”);
			return;
		}
		fi nally
		{
		   System.out.println(“fi nally”);
		}		
	     }
	     
	}
	What will be the output?

	
45.	 Write a statement that would construct a 20 point 	
	bold Helvetica font.

Multiple-choice Questions for JAVA

2010-09-08T19:55:00.002+05:30

1. The range of values for the long type data is

A. –231 to 231 – 1 B. –264 to 264

C. –263 to 263 – 1 D. –232 to 232 – 1

2. Which of the following represent(s) of a hexadecimal number?

A. 570 B. (hex) 5

C. 0X9F D. 0X5

3. Which of the following assignments are valid?

A. fl oat x = 123.4; B. long m = 023;

C. int n = (int)false; D. double y = 0X756;

4. The default value of char type variable is

A. ‘\u0020’ B. ‘\u00ff

C. “ “ D. ‘\u0000’

5. What will be the result of the expression 13 & 25?

A. 38 B. 25

C. 9 D. 12

6. What will be result of the expression 9 | 9?

A. 1 B. 18

C. 9 D. None of the above

7. Which of the following are correct?

A. int a = 16, a >> 2 = 4

B. int b = –8, b >> 1 = –4

C. int a = 16, a >>> 2 = 4

D. int b = –8, b >>> 1 = – 4

E. All the above

8. What will be the values of x, m, and n after execution of the

following statements?

int x, m, n;

m = 10;

n = 15;

x = ++m + n++;

A. x = 25, m = 10, n = 15 B. x = 27, m = 10, n = 15

C. x = 26, m = 11, n = 16 D. x = 27, m = 11, n = 16

9. If m and n are int type variables, what will be the result of

the expression

m % n

when m = 5 and n = 2?

A. 0 B. 1

C. 2 D. None of the above

10. If m and n are int type variables, what will be the result of

the expression

m % n

when m = – 14 and n = –3?

A. 4 B. 2

C. –2 D. –4

E. None of the above

11. Consider the following statements:

Int x = 10, y = 15;

x = ( (x

What will be the value of x after executing these statements?

A. 10 B. 25

C. 15 D. 5

E. Error. Cannot be executed.

12. Which of the following operators are overloaded for String objects?

A. – B. +

C. + = D. &

E. << F. None of these

13. What is the result of the expression

(1 & 2) + (3 | 4)

in base ten.

A. 1 B. 2

C. 8 D. 7

E. 3

14. Which of the following will produce a value of 22 if x = 22.9?

A. ceil(x) B. round(x)

C. rint(x) D. abs(x)

E. fl oor(x)

15. Which of the following will produce a value of 10 if x = 9.7?

A. fl oor(x) B. abs(x)

C. rint(x) D. round(x)

E. ceil(x)

16. Which of the following expressions are illegal?

A. (10 | 5) B. (false && true)

C. boolean x = (boolean)10;

D. fl oat y = 12.34;

17. Which of the following lines will not compile?

1. byte b1 = 5, b2 = 3, b3;

2. short s = 25;

3. b2 = s;

4. b3 = b1 * b2;

A. Line 1 only B. Line 3 only

C. Line 4 only

D. Line 1 and Line 4 only

E. Line 3 and Line 4 only

18. Which of the following are illegal loop constructs?

A. while(int i > 0)

{i- -; other statements;}

B. for(int i = 10, int j = 0; i+j > 5; i = i–2, j++)

{

Body statements

}

C. int i = 10;

while (i)

{

Body statements

}

D. int i = 1, sum = 0;

do {loop statements}

while(sum < 10 || i<5);

19. Consider the following code

if (number >= 0)

if (number > 0)

System.out.println (“Number is positive”) ;

else

System.out.println (“Number is negative”) ;

What will be the output if number is equal to 0?

A. Number is negative B. Number is positive

C. Both A and B D. None of the above

20. Which of the following control expressions are valid for an if statement?

A. an integer expression B. a boolean expression

C. either A or B D. Neither A nor B

21. In the following code snippet, which lines of code contain error?

1. int j = 0;

2. while(j < 10) {

3. j+ +;

4. if(j = = 5) continue loop;

5. System.out.println(“j is” + j); }

A. Line 2 B. Line 3

C. Line 4 D. Line 5

E. None of the above

22. Consider the following code:

char c = ‘a’ ;

switch (c)

{

case ‘a’ :

System.out.println (“A”) ;

case ‘b’ :

System.out.println (“B”) ;

default:

System.out.println (“C”) ;

}

For this code, which of the following statement is true?

A. output will be A

B. output will be A followed by B

C. output will be A, followed by B, and then followed by C

D. code is illegal and therefore will not compile

23. Consider the following class defi nition.

class Student extends String

{}

What happens when we try to compile this class?

A. Will not compile because class body is not defi ned

B. Will not compile because the class is not declared public

C. Will not compile because String is abstract

D. Will not compile because String is fi nal

E. Will compile successfully.

24. What is wrong in the following class defi nitions?

abstract class Print

{

abstract show ( ) ;

}

class Display extends Print

{}

A. Nothing is wrong

B. Wrong. Method show( ) should have a return type

C. Wrong. Method show( ) is not implemented in Display

D. Wrong. Display does not contain any members

25. What is the error in the following class defi nition?

abstract class XY

{

abstract sum (int x, int y) { }

}

A. Class header is not defi ned properly

B. Constructor is not defi ned

C. Method is not defi ned properly

D. No error

26. Consider the following class defi nitions:

class maths

{

Student student1;

}

class Student

{

String name;

}

This code represents:

A. an ‘is a’ relationship

B. a ‘has a’ relationship

C. both D. neither

27. Consider the following class defi nition:

class A extends B

{

public A (int x) { }

public A (int x, int y)

{

super (x, y) ;

}

Which of the following are legal statements to construct A type objects?

A. A a = new A( );

B. A a = new A(4, 2, 7);

C. A a = new A(5, 6);

D. A a = new A(10);

E. A a = new A(Base(4, 5), 6);

28. Which of the following are overloading the method

int sum(int x, int y) { }

A. int sum(int x, int y, int z) { }

B. fl oat sum(int x, int y) { }

C. int sum(fl oat x, fl oat y) { }

D. int sum(int a, int b) { }

E. fl oat sum(int x, int y, fl oat z) { }

29. What is the error in the following code?

class Test

{

abstract void display ( ) ;

}

A. No error

B. Method display( ) should be declared as static

C. Test class should be declared as abstract

D. Test class should be declared as public

30. Which of the following statements are true?

1. We cannot use abstract classes to instantiate objects directly.

2. The abstract methods of an abstract class must be defi ned in its subclass.

3. We cannot declare abstract constructors.

4. We may declare abstract static methods.

A. Line 1 only B. Line 2 only

C. Line 1 and line 2 only

D. Line 1, line 2 and line 3 only

E. All are true

31. Which keyword can protect a class in a package from accessibility by

the classes outside the package?

A. private

B. protected

C. fi nal

D. don’t use any keyword at all (make it default)

32. We would like to make a member of a class visible in all subclasses regardless of what package

they are in. Which one of the following keywords would achieve this?

A. private B. protected

C. public D. private protected

33. The use of protected keyword to a member in a class will restrict its visibility as follows:

A. Visible only in the class and its subclass in the same package.

B. Visible only inside the same package.

C. Visible in all classes in the same package and subclasses in other packages

D. Visible only in the class where it is declared.

34. Which of the following are not keywords?

A. NULL B. implements

C. protected D. extended

E. string

35. Which of the following are keywords?

A. switch B. integer

C. default D. boolean

E. object

36. Which of the following keywords are used to control access to a class member?

A. default B. abstract

C. protected D. interface

E. public

37. The keywords reserved but not used in the initial version of Java are:

A. union B. const

C. inner D. goto

E. boolean F. synchronized

38. Consider the following code:

class ClassA

{

public static void main (String args [ ] )

{

ClassB b = classB ( ) ;

}

ClassA (int x) { }

}

class ClassB extends ClassA

{}

What will happen when we compile and run this code?

A. Compile and run successfully

B. Error. ClassA does not defi ne a no-argument constructor

C. Error. ClassB does not defi ne a no-argument constructor

D. Error. There is no code in the class ClassB

E. Error. There is no code in the constructor ClassA (int x)

39. A package is a collection of

A. classes B. interfaces

C. editing tools

D. classes and interfaces

40. Which of the following statements are true?

A. An abstract class may not have any fi nal methods.

B. A fi nal class may not have any abstract methods.

C. An inner class may be declared with any accessibility keyword.

D. Transient variables must be static.

41. Which of the following defi nes a legal abstract class?

A. class Vehicle {

abstract void display( ); }

B. abstract Vehicle {

abstract void display( ); }

C. abstract class Vehicle {

abstract void display( ); }

D. class abstract Vehicle {

abstract void display( ); }

E. abstract class Vehicle {

abstract void display( ); {

System.out.println(“Car”); }}

42. Package p1 contains the following code:

package p1;

public class Student { Body of student }

class Test { Body of Test }

Now consider the following code:

import p1.*;

class Result

{

Student s1;

Test t1;

}

This code will not compile because

A. Class Result should be declared public.

B. Student class is not available.

C. Test class is not available.

D. Result body is not fully defi ned.

43. Consider the following code:

interface Area

{

fl oat compute (fl oat x, fl oat y) ;

}

class Room implements Area

{

fl oat compute (fl oat x, fl oat y)

{

return (x & y) ;

}

What is wrong with the code?

A. Interface defi nition is incomplete

B. Method compute( ) in interface Area should be declared public

C. Method compute( ) in class Room should be declared public

D. All the above

44. The concept of multiple inheritance is implemented in Java by

A. extending two or more classes

B. extending one class and implementing one or more interfaces

C. implementing two or more interfaces

D. all the above

45. Which of the following statements are valid array declaration?

A. int number( );

B. fl oat average[ ];

C. double[ ] marks;

D. counter int[ ];

46. Consider the following code

int number [ ] = new int [5] ;

After execution of this statement, which of the following are true?

A. number[0] is undefi ned

B. number[5] is undefi ned

C. number[4] is null

D. number[2] is 0

E. number.length( ) is 5

47. What will be the content of array variable table after executing the following code?

for (int i=0; i<3; i++)

for (int j=0, j<3; j++)

if (j == i) table [i] [j] = 1;

else table [i] [j] = 0;

A. 0 0 0

B. 1 0 0

C. 0 0 1

D. 1 0 0 0 0 0 1 1 0 0 1 0 0 1 0 0 0 0 1 1 1 1 0 0 0 0 1

48. Which of the following classes are available in the java.lang package?

A. Stack B. Object

C. Math D. Random

E. String F. StringBuffer

G. Vector

49. Which of the following are the wrapper classes?

A. Random B. Byte

C. Vector D. Integer

E. Short F. Double

G. String

50. Which of the following contain error?

A. int x[ ] = int[10];

B. int[ ] y = new int[5];

C. fl oat d[ ] = {1, 2, 3};

D. x = y = new int [10];

E. int a[ ] = {1, 2}; int b[ ]; b = a;

F. int i = new int(10);

51. Which of the following methods belong to the String class?

A. length( ) B. compareTo( )

C. equals( ) D. substring( )

E. All of them F. None of them

52. Given the code

String s1 = “yes”;

String s2 = “yes”;

String s3 = new String (s1) ;

Which of the following would equate to true?

A. s1 = = s2

B. s1 = s2

C. s3 = = s1

D. s1.equals(s2)

E. s3.equals(s1)

53. Suppose that s1 and s2 are two strings. Which of the statements or expressions are correct?

A. String s3 = s1 + s2;

B. String s3 = s1 – s2;

C. s1 <= s2

D. s1.compareTo(s2);

E. int m = s1.length( );

54. Given the code

String s = new String (“abc”) ;

Which of the following calls are valid?

A. s.trim( )

B. s.replace(‘a’, ‘A’)

C. s.substring(3)

D. s.toUpperCase( )

E. s.setCharAt(1,‘A’)

F. s.append(“xyz”)

55. The methods wait( ) and notify( ) are defi ned in

A. java.lang.String

B. java.lang.Runnable

C. java.lang.Object

D. java.lang.Thread

E. java.lang.ThreadGroup

56. Which of the following statements are true?

A. A Java monitor must either extend Thread or implement Runnable.

B. The sleep( ) method should be enclosed in try ... catch block.

C. The yield( ) method should be enclosed in try ... catch block.

D. A thread can be temporarily suspended from running by using the wait( ) method.

E. A suspended thread using suspend( ) method can be revived using the resume( ) method.

57. Given the following code:

class Base { int x = 10; }

class Derived extends Base

{ int x = 20; }

Base b = new Base ( ) ;

Derived d = new Derived( ) ;

Base bd = new Derived( ) ;

The statement

System.out.println (b.x + “ ” + d.x + “ ” + bd.x) ;

will produce the output

A. 10 20 20

B. 10 20 10

C. 20 10 20

D. 20 20 10

58. Given the class defi nitions

class Base

{

void display( )

{ System.out.println (“Base”) ; }

}

class Derived extends Base

{

void display ( )

{ System.out.println (“Derived”) ; }

}

and objects

Base b = new Base( );

Derived d = new Derived( );

Base bd = new Derived( );

then the print statements

System.out.print(b.display( ) + “ ”);

System.out.print(d.display( ) + “ ”);

System.out.print(bd.display( ) + “ ”);

System.out.println( );

will display:

A. Base Base Derived

B. Base Derived Base

C. Base Derived Derived

D. Derived Derived Derived

59. When we invoke repaint( ) for a Component, the AWT invokes the method:

A. draw( ) B. show( )

C. update( ) D. paint( )

60. What does the following line of code do?

TextField text = new TextFiled(10);

A. Creates text object that can hold 10 rows of text.

B. Creates text object that can hold 10 columns of text.

C. Creates the object text and initializes it with the value 10.

D. The code is illegal.

61. Which of the following applet tags is legal to embed an applet class named Test into a Web page?

A. < applet

class = Test width = 200 height = 100>

< /applet>

B. < applet>

code = Test.class width = 200 height = 100>

< /applet>

C. < applet

code = Test.class width = 200 height = 100

< /applet>

D. < applet

param = Test.class width = 200 height = 100>

< /applet>

E. < applet

code = Test.class width = 200 height = 100>

< / applet>

62. Which of the following methods can be used to draw the outline of a square?

A. fi llRect( ) B. drawLine( )

C. drawRect( ) D. drawString( )

E. drawPolygon( )

63. Which of the following methods can be used to change the size of a component

A. dimension( ) B. setSize( )

C. area( ) D. size( )

E. resize( )

64. Which of the following methods can be used to remove a component from the display?

A. delete( ) B. remove( )

C. disappear( ) D. hide( )

E. move( )

65. The setBackground( ) method is part of the class

A. Graphics B. Applet

C. Component D. Container

E. Object

66. When we implement the Runnable interface, we must defi ne the method

A. start( ) B. init( )

C. run( ) D. runnable( )

E. resume( ) F. main( )

67. Which of the following strings can be used as mode strings for creating a RandomAccessFile object?

A. “ r ” B. “ w ”

C. “ rw ” D. “ wr ”

E. “ 0 ”

68. What will be the output of the following program?

class Main1

{

public static void main(String args [ ])

{

boolean b = true;

System.out.println(“XXX”);

return;

System.out.println(“YYY”);

}

A. XXX

B. YYY

C. XXX followed by YYY

D. Error. Won’t compile

69. What will be output of the following program?

class Main2

{

public static void main(String args[ ])

{

boolean b = true;

System.out.println(“XXX”);

if( !b ) return;

System.out.println(“YYY”);

}

A. XXX

B. YYY

C. XXX followed by YYY

D. Error. Won’t compile

70. DataInput is

A. an abstract class defi ned in java.io.

B. a class we can use to read primitive data types.

C. an interface that defi nes methods to open fi les.

D. an interface that defi nes methods to read primitive data types.

71. Which of the following statements are true?

A. Unicode characters are all 16 bits.

B. UTF characters are all 24 bits.

C. Reader class has methods that can read integers and fl oats.

D. File class may be used to rename a fi le.

E. DataOutputStream objects are used to write primitive data to a fi le.

72. Which are the valid ways to create DataInputStream streams?

A. new DataInputStream( );

B. new DataInputStream(“in.dat”, “r”);

C. new DataInputStream(“in.dat”)

D. new DataInputStream(new File(“in.dat”));

E. new DataInputStream(new FileInputStream(“in.dat”);

73. Which exception is thrown by the read( ) method of InputStream class?

A. Exception B. FileNotFoundException

C. ReadException D. IOException

E. None of the above

74. In the code below, what data types the variable x can have?

byte b1 = 5;

byte b2 = 10;

x = b1 * b2;

A. byte B. int

C. short D. long

E. fl oat F. double

75. If you want to assign a value of 99 to the variable year, then which of the following lines can be used within an tag?

A. number = getParameter(99)

B. < number = 99 >

C. < param = radius value = 99 >

D. < param name = number value = 99 >

E. < param number = 99 >

76. What is java_g used for?

A. Using the jdb tool

B. Executing a class with optimization turned off

C. To provide information about deprecated methods

D. None of the above

77. With javadoc, which of the following denotes a javadoc comment?

A. //# B. /*

C. /** D. //**

78. Given fi le is a File object, which of the following are legal statements to create a new fi le

A. fi le.create( );

B. FileOutputStream fos = new FileOutputStream(fi le);

C. FileWriter out = new FileWriter(fi le);

D. FileInputStream fi s = new FileInputStream(fi le);

E. RandomAccessFile raf = new RandomAccessFile(fi le);

79. Which javadoc tage is used to denote a comment for a method parameter?

A. @method B. @parameter

C. @argument D. @param

E. @value

80. Which of the following command lines options generates documentation for all classes and methods?

A. –protected B. –public

C. –private D. –verbose

E. –encoding

81. Given the declarations

int x, m = 2000;

short y;

byte b1 = —40, b2;

long n;

which of the following assignment statements will evaluate correctly?

A. x = m * b1;

B. y = m * b1;

C. n = m * 3L;

D. x = m * 3L;

82. Given the declarations

boolean b;

short x1 = 100, x2 = 200, x3 = 300;

Which of the following statements are evaluated to true?

A. b = x1 * 2 = x2;

B. b = x1 + x2 != 3 * x1;

C. b = (x3 – 2*x2<0) || ((x3 = 400) <2**x2);

D. b = (x3 – 21*x2>0) || (x3 = 400) 2*x2);

83. In which of the following code fragments, the variable x is evaluated to 8.

A. int x = 32;’ B. int x = 33;

x = x > > 2; x = x > > 2;

C. int x = 35; D. int x = 16;

x = x > > 2; x = x > > 1;

84. Consider the following code snippet:

.....

try {

int x = 0;

int y = 50/x;

System.out.println(“Division by zero”);

}

catch(ArithmeticException e) {

System.out.println(“catch block”);

}

.....

What will be the output?

A. Error. Won’t compile

B. Division by zero

C. Catch block

D. Division by zero

Catch block

85. Which of the following represent legal fl ow control statements?

A. break; B. break( );

C. continue outer; D. continue(inner);

E. return; F. exit( );

ANSWARS OF MULTIPLE-CHOICE QUESTIONS

1. C	2. D & E	3. B & D	4. D	5. C
6. C	7. A B& C	8. C	9. B	10. C
11. B	12. B & C	13. D	14. C & E	15. D & E
16. C & B	17. E	18. A & C	19. A	20. B
21. A	22. B	23. D	24. C	25. C
26. B	27. C & D	28. A C & E	29. C	30. D
31. D	32. D	33. C	34. A D & E	35. A & C
36. B C & E	37. B C & D	38. B	39. D	40. B & C
41. C	42. C	43. C	44. B & C	45. B & C
46. B D & E	47. D	48. B C E & F	49. B D E & F	50. A D& F
51. E	52. A D & E	53. A D& E	54. A B C & D	55. C
56. B D & E	57. B	58. C	59. C	60. B
61. E	62. B C & E	63. B & E	64. D	65. C
66. C	67. A & C	68. D	69. C	70. D
71. A D & E	72. E	73. D	74. B D E & F	75. D
76. B	77. C	78. B C & E	79. D	80. C
81. A & C	82. A & C	83. A B C & D	84. C	85. A C & E

ANSWERS of True/False Questions

2010-09-07T17:56:00.000+05:30

1. A	2. B	3. B	4. A	5. B
6. A	7. A	8. A	9. B	10. B
11. B	12. B	13. A	14. B	15. A
16. B	17. A	18. B	19. A	20. B
21. B	22. B	23. A	24. B	25. B
26. B	27. B	28. A	29. A	30. B
31. A	32. B	33. A	34. A	35. B
36. B	37. A	38. B	39. B	40. A
41. B	42. A	43. A	44. B	45. B
46. A	47. B	48. B	49. A	50. B
51. B	52. A	53. B	54. B	55. A
56. B	57. B	58. B	59. A	60. B

True/False Questions for java

2010-09-07T17:27:00.000+05:30

1. The name of a Java program fi le must match the name of the class with the extension .java
   A. True B. False

2. Two methods cannot have the same name in Java.
   A. True B. False

3. The modulus operator (%) can be used only with integer operands.
   A. True B. False

4. Declarations can appear anywhere in the body of a Java method.
   A. True B. False

5. All the bitwise operators have the same level of precedence in java.
   A. True B. False

6. When x is a positive number, the operations x > > 2 and x > > > 2 both produce the same result.
   A. True B. False

7. If a = 10 and b = 15, then the statement x = (a > b )? a : b;
assigns the value 15 to x.
   A. True B. False

8. In evaluating a logical expression of type
   boolean expression1 && boolean expression2
   both the boolean expressions are not always evaluated.
  A. True B. False

9. In evaluating the expression (x = = y && a < b) the boolean expression x = = y is evaluated fi rst and
   then a < b is evaluated.
   A. True B. False

10. The default case is always required in the switch selection structure.
   A. True B. False

11. The break statement is required in the default case of a switch selection structure.
   A. True B. False

12. The expression (x = = y && a < b) is true if ether x = = y is true or a < b is true.
   A. True B. False

13. A variable declared inside the for loop control cannot be referenced outside the loop.
   A. True B. False

14. Java always provides a default constructor to a class.
   A. True B. False

15. When present, package must be the fi rst noncomment statement in the fi le.
   A. True B. False

16. The import statement is always the fi rst noncomment statement in a Java program fi le.
   A. True B. False

17. Objects are passed to a method by use of call-by-reference.
   A. True B. False

18. It is perfectly legal to refer to any instance variable inside of a static method.
   A. True B. False

19. When we implement an interface method, it should be declared as public.
   A. True B. False

20. We can overload methods with differences only in their return type.
   A. True B. False

21. It is an error to have a method with the same signature in both the super class and its subclass.
   A. True B. False

22. A constructor must always invoke its super class constructor in its fi rst statement.
   A. True B. False

23. Subclasses of an abstract class that do not provide an implementation of an abstract method, are also
   abstract.
   A. True B. False

24. Any class may be inherited by another class in the same package.
   A. True B. False

25. Any method in a super class can be overridden in its subclass.
   A. True B. False

26. One of the features of Java is that an array can store many different types of values.
   A. True B. False

27. An individual array element that is passed to a method and modifi ed in that method will contain the
   modifi ed value when the called method completes execution.
   A. True B. False

28. Members of a class specifi ed as a private are accessible only to the methods of the class.
   A. True B. False

29. A method declared as static cannot access non-static class members.
   A. True B. False

30. A static class method can be invoked by simply using the name of the method alone.
   A. True B. False

31. It is an error, if a class with one or more abstract methods is not explicitly declared abstract.
   A. True B. False

32. It is perfectly legal to assign an object of a super class to a subclass reference without a cost.
   A. True B. False

33. It is perfectly legal to assign a subclass object to a super class reference.
   A. True B. False

34. Every method of a fi nal class is implicitly fi nal.
   A. True B. False

35. All methods in an abstract class must be declared abstract.
   A. True B. False

36. When the String objects are compared with = =, the result is true if the strings contain the same
   values.
   A. True B. False

37. A String object cannot be modifi ed after it is created.
   A. True B. False

38. The length of a String object s1 can be obtained using the expression s1.length.
   A. True B. False

39. A catch can have comma-separated multiple arguments.
   A. True B. False

40. It is an error to catch the same type of exception in two different catch blocks associated with a
   particular try block.
   A. True B. False

41. Throwing an Exception always causes program termination.
   A. True B. False

42. Every call to wait has a corresponding call to notify that will eventually end the waiting.
   A. True B. False

43. Declaring a method synchronized guarantees that the deadlock cannot occur.
   A. True B. False

44. The programmer must explicitly create the System.in and System.out objects.
   A. True B. False

45. If the fi le-position pointer points to a location in a sequential fi le other than the beginning, we must
   use the seek method to bring the pointer to the beginning, to read from the beginning of the fi le again.
   A. True B. False

46. To delete a fi le, we can use an instance of class File.
   A. True B. False

47. A panel cannot be added to another panel.
   A. True B. False

48. Frames and applets cannot be used together in the same program.
   A. True B. False

49. A fi nal class may not have any abstract methods.
   A. True B. False

50. A class may be both abstract and fi nal.
   A. True B. False

51. A thread wants to make a second thread ineligible for execution. To achieve this, the fi rst thread can
   call the yield( ) method on the second thread.
   A. True B. False

52. A thread can make a second thread ineligible for execution by calling the suspend( ) method on the
   second thread.
   A. True B. False

53. A Java monitor must either extend Thread class or implement Runnable interface.
   A. True B. False

54. The CheckboxGroup class is a subclass of the Component class.
   A. True B. False

55. If a frame uses a Grid layout manager and does not contain any panels, then all the components
   within the frame are of the same width and height.
   A. True B. False

56. With a Border layout manager, the component at the centre gets all the space that is left over, after the
   components at North and South have been considered.
   A. True B. False

57. The CODE value in an tag must name a class fi le that is in the same directory as the
   calling HTML page.
   A. True B. False

58. If getParameter( ) returns null, then assigning the return value to a variable of type String may cause
   an exception to be thrown.
   A. True B. False

59. It is possible to use the File class to list the contents of the current working directory.
   A. True B. False

60. Reader class has a method that can read and return fl oats and doubles.
   A. True B. False

Difference beween c, c++ and java

2010-09-07T16:59:00.002+05:30

Feature	C	C++	Java
Paradigms	Procedural	Procedural, OOP, Generic Programming	OOP, Generic Programming (from Java 5)
Form of Compiled Source Code	Executable Native Code	Executable Native Code	Java bytecode
Memory management	Manual	Manual	Managed, using a garbage collector
Pointers	Yes, very commonly used.	Yes, very commonly used, but some form of references available too.	No pointers; references are used instead.
Preprocessor	Yes	Yes	No
String Type	Character arrays	Character arrays, objects	Objects
Complex Data Types	Structures, unions	Structures, unions, classes	Classes
Inheritance	N/A	Multiple class inheritance	Single class inheritance, multiple interface implementation
Operator Overloading	N/A	Yes	No
Automatic coercions	Yes, with warnings if loss could occur	Yes, with warnings if loss could occur	Not at all if loss could occur; msut cast explicitly
Variadic Parameters	Yes	Yes	No
Goto Statement	Yes	Yes	No

System Software (SS) 630005

2010-08-31T17:51:00.002+05:30

GUJARAT TECHNOLOGICAL UNIVERSITY

MASTER OF COMPUTER APPLICATION

SEMESTER: III

Subject Name: System Software (SS)

Subject Code: 630005

Objective:

• To understand the relationship between system software and machine architecture.

• To understand the processing of an HLL program for execution on a computer system.

• To understand the process of scanning and parsing.

• To know the design and implementation of assemblers, macro processor, linker and compiler.

• To have an understanding of loader, system software tools.

• To understand and know the working of device drivers

Prerequisites:

Basic knowledge of computer architecture and C programming.

Contents:

Unit-1: Introduction to System Software and software tools (15%)

Language Processors:

• Introduction

• Language Processing Activities

• Fundamentals of Language Processing & Language Specification

• Language Processor Development Tools.

Data Structures for Language Processing:

• Search Data structures

• Allocation Data Structures.

Software Tools:

• Software Tools for Program Development

• Editors

• Debug Monitors

• Programming Environments

• User Interfaces.

Unit-2: Assemblers (15%)

Assemblers:

• Elements of Assembly Language Programming

• A Simple Assembly Scheme

• Pass Structure of Assemblers

• Design of a Two Pass Assembler

• A single pass Assembler for IBM PC.

Unit-3: Macro Processors (15%)

Macros and Macro Processors:

• Macro Definition and Call

• Macro Expansion

• Nested Macro Calls

• Advanced Macro Facilities

• Design of a Macro Preprocessor.

Unit-4: Compilers and Interpreters (30%)

Scanning and Parsing:

• Introduction to NFA and DFA

• Approaches of parsing

• Different types of parsing techniques namely

• Recursive decent parser

• LL(1) parser

• Operator precedence parser. (First and follow technique for generating a parse table is to be taught)

Compilers and Interpreters:

• Phases of the Compiler

• Aspects of compilation

• Memory allocation

• Compilation of expressions and control structures

• Code optimization

• Interpreters: Use and overview of interpreters

• Pure and impure interpreters.

Unit-5: Linkers and Loaders (15%)

• Introduction to linkers

• Relocation and Linking Concepts

• Design of a Linker

• Self-Relocating Programs

• A Linker for MS-DOS

• Linking for Overlays

• Introduction to Loader

Unit-6: Device drivers (10%)

• Design and anatomy of UNIX device driver: Types of device driver

• General design of UNIX character device driver

• General design of UNIX block device driver

• UNIX device driver installation.

Main Reference Book(s):

1. D. M. Dhamdhere, “Systems Programming and Operating Systems”, Second Revised Edition, Tata

McGraw-Hill, 1999.

2. George Pajari, “Writing UNIX device drivers”, Pearson Education Asia.

Suggested Additional Reading:

1. Leland L. Beck, “System Software – An Introduction to Systems Programming”, 3rd Edition, Pearson

Education Asia, 2000.

2. Santanu Chattopadhyay, “System Software”, Prentice-Hall India,2007

3. Alfred V. Aho, Monica S. Lam, Ravi Sethi, Jeffrey D. Ullman, “Compilers: Principles, Techniques,

and Tools”,2nd Edition, Pearson Education Asia

4. Kenneth C. Louden, “Compiler Construction: Principles and Practice”, (Thomson/Cengage)

Chapter-wise coverage from main reference books:

Book 1: Chapters: 1, 2, 3, 4, 5, 6, 7, 8

Book 2: Chapters: 1, 2, 5, 13

Accomplishments of the student after completing the course:

• Ability to understand the execution process of HLL programs.

• Ability to understand the working of scanners and parsers.

• Ability to understand the basic design of various system software.

• Ability to implement various system software.

• Ability to design and implement efficient programs/applications.

• Ability to know the working of device drivers.

Operating System (OS) 630004

2010-08-31T17:50:00.002+05:30

GUJARAT TECHNOLOGICAL UNIVERSITY

MASTER OF COMPUTER APPLICATION

SEMESTER: III

Subject Name: Operating System (OS)
Subject Code: 630004

Objective:

• To provide an understanding of the basic concepts of modern OS. Describe the role and purpose of

OS.

• To understand the concept of the interaction between user application, OS and hardware architecture.

• To provide an understanding of concept of process, concurrency problems. Using these concepts,

learners can develop effective parallel applications/Programs.

• To give an understanding of the concept of deadlock prevention, avoidance, detection and recovery

for identification of solution strategies.

• To understand the issues involved with preemptive vs nonpreemptive scheduling.

• To study the concept of management of memory, disk and file. Students can understand the efficient

use of primary and secondary storage for their application.

• To provide an understanding of security and protection in OS and distributed applications.

Prerequisites:

• Basic knowledge of Computer hardware and software

• Knowledge of programming language like C/C++

Contents:

Unit-1: Computer System Overview, Operating System Overview, Processes (35%)

• Computer System Overview: Basic Elements, Processor Registers, Instruction Execution, Interrupts,

The Memory Hierarchy, Cache Memory.

• Operating System Overview: Operating System Objectives and Functions, The Evolution of OS,

Major Achievements, Characteristics of Modern OS

• Process Description and Control: Process States, Process Description, Process Control, UNIX

Process Management.

• Threads: Processes and Threads.

• Concurrency: Mutual Exclusion and Synchronization: Principles of Concurrency, Mutual

Exclusion, Software Approaches, Mutual Exclusion: Hardware Support, Semaphores, Monitors,

Message Passing, Reader/Writer Problem.

• Concurrency: Deadlock and Starvation: Principles of Deadlock, Deadlock Prevention, Deadlock

Avoidance, Deadlock Detection, An Integrated Deadlock Strategy, Dining Philosophers Problem,

UNIX Concurrency Mechanisms

Unit-2: Memory (15%)

• Memory: Memory Management: Memory Management Requirements, Memory Partitioning,

Paging, Segmentation.

• Virtual Memory: Hardware and Control Structures, OS Software, UNIX Memory Management

Unit-3: Scheduling (15%)

• Uni-processor Scheduling: Types of Scheduling, Scheduling, Algorithms, Traditional UNIX

Scheduling.

• Multiprocessor and Real-time Management: Multiprocessor Scheduling, Thread Scheduling, Real-

Time Scheduling

Unit-4: Input/Output and Files (20%)

• I/O Management and Disk Scheduling: I/O Devices, Organization of the I/O Function, OS Design

Issues, I/O Buffering, Disk Scheduling, RAID, Disk cache, UNIX SVR4 I/O.

• File Management: Overview, File Organization, File Directories, File Sharing, Record Blocking,

Secondary Storage Management, UNIX File Management

Unit-5: Distributed System and Security (15%)

• Distributed Processing, Client/Server and Clusters: Client/Server Computing, Distributed Message

Passing, Remote Procedure Calls, Clusters.

• Computer Security: Security Threats, Protections, Intruders, Trusted Systems, Case Study of

Linux/UNIX/XP is desirable.

Main Reference Book(s):

1. Stalling W, “Operating Systems”, 6th edition, Prentice Hall India.

Suggested Additional Reading:

1. Silberschatz, A., Peter B. Galvin and Greg Gagne, “Operating System Principles”, Wiley-Indian

Edition, 8th Ed., 2009

2. Tanenbaum A.S., “Modern Operating Systems”, 4th Edition, PHI, 2001

3. Flynn I.M, “Understanding Operating Systems”, Cengage India Publication

4. Bach M J, “The Design of UNIX Operating System”, Prentice Hall India, 1993.

Chapter wise Coverage from Main Reference Book:

Book-1: Chapter 1-9, 10(10.1-10.2), 11-13, 15

Accomplishments of the Student after Completing the Course:

• Understanding the principles and internals of Operating System.

• Working knowledge of LINUX/UNIX System.

• Harnessing the facilities provided by Operating System in application development.

• Ability to develop Parallel Programs and Kernel Modules.

Subject Name: Statistical Methods(SM) Subject Code: 630003

2010-08-31T17:49:00.004+05:30

GUJARAT TECHNOLOGICAL UNIVERSITY

MASTER OF COMPUTER APPLICATION

SEMESTER: III

Subject Name: Statistical Methods(SM)

Subject Code: 630003

Objectives:

• To develop the ability to compute descriptive statistics including diagrammatic representation and

interpretation

• To understand the concept of probability and probability distributions

• To develop the ability to carry out testing of hypothesis on a population based on statistical measures of

samples

• To be able to carry out simple linear regression analysis

• To understand time series analysis and its application to forecasting

• To introduce the concept of non-parametric methods useful particularly for nominal or ordinal data

Prerequisites: None

Contents:

Unit-1: Descriptive Statistics and Correlation (15%)

• Introduction to Statistics;

• Applications in Business & Economics; Data: Summarizing Qualitative & Quantitative Data.

• Exploratory Data Analysis: The Stem-and-leaf Display; Cross Tabulation & Scatter Diagrams;

• Measures of location: Mean, Median, Mode, Percentiles, Quartiles; Measures of Variability: Range,

Inter-quartile Range, Variance, Standard Deviation, Coefficient of Variation;

• Measures of Distribution Shape, Relative Location and Detecting Outliers;

• Exploratory Data Analysis; Weighted Mean & working with Grouped Data

• Measures of Association Between Two Variables; Covariance, Correlation;

Unit-2: Probability & Probability Distribution (20%) • Introduction to Probability; Experiments, Counting, Rules and Assigning Probabilities; Events and their

Probabilities;

• Some basic Relationships of Probability

• Conditional Probability

• Baye’s Theorem

• Random Variables: Discrete, Continuous;

• Discrete Probability Distributions; Expected Value & Variance;

• Binomial Probability Distribution

• Poisson Probability Distribution

• Normal Probability Distribution, Normal Approximation of Binomial Probabilities

• Exponential Probability Distribution

Unit-3: Sampling, Sampling Distribution & Interval Estimation (15%)

• Simple Random Sampling, Point Estimation

• Introduction to Sampling Distributions

• Sampling Distribution of

• Properties of Point Estimation

• Other Sampling Methods

• Population Mean: s Known, s Unknown

• Determining the Sample Size; Population Proportion

Unit-4: Statistical Inference-Testing of Hypothesis & X2 Test chi-square (20%)

• Introduction

• Test of significance for Large Samples: Difference between Small & Large Samples;

• Two-tailed test for Difference between the Means of Two Samples;

• Standard Error of the Difference between two Standard Deviations.

• Tests of significance for Small Samples: The Assumption of Normality;

• Students’ t-Distribution; Properties & Applications of t-Distribution;

• Testing Difference between Means of Two Samples (Independent Samples; Dependent Samples)

• Definition of chi-square; Degrees of freedom; chi-square Distribution; Conditions for Applying

Chi-square Test; Uses of chi-square Test; Misuse of chi-square Test

Unit-5: F-Test & Analysis of Variance (15%)

• F-Test or The Variance Ratio Test; Applications of F-Test

• Analysis of Variance: Assumptions; Techniques

• Analysis of Variance in 2-Way Classification Model

Unit-6: Regression, Time Series Analysis & Forecasting (10%)

• Introduction to Regression; Simple linear Regression Model; least Square Method; Coefficient of

Determination; Correlation Coefficient;

• Model Assumptions; Residual Analysis: Validating Model Assumptions; Outliers and Influential

Observations

• Using the Estimated Regression Equation for Estimation & Prediction

• Introduction to Forecasting & Time Series Analysis; Components of a Time Series

• Smoothing Methods

• Trend Projection

• Trend & Seasonal Components

• Regression Analysis

• Qualitative Approaches to Forecasting

Unit-7: Non-parametric Methods (5%)

• Need for Non-parametric Methods

• Sign Test, Wilcoxon signed-Rank Test, Mann-Whitney-Wilcoxon Test

• Kruskal-Wallis Test

• Rank Correlation

Note: Formulae may be provided for parametric and non-parametric tests.

Main Reference Book:

1. Anderson, Sweeney, Williams, “Statistics for business and economics”, 9th edition, Thompson

Publication

2. S P Gupta, “Statistical Methods”, 30th edition, S Chand

Suggested Additional Reading:

1. J.Susan Milton & Jesse Arnold, “Introduction to Probability & Statistics: Principles & Applications for

Engineering & Computing Sciences”

2. Bharat Jhunjhunwala, “Business Statistics”, first edition, S Chand, 2008

3. Richard Levin, David Rubin, “Statistics for Management”, 7th edition, PHI

4. Nabendu Pal, Sahadeb Sarkar, “Statistics-Concepts and Applications”, 2nd edition, PHI

Chapter wise Coverage from the main reference book:

Main Reference Book-1:

Unit 1: Ch-1: 1.1, 1.2; Ch-2: 2.1 to 2.4; Ch-3: 3.1 to 3.6

Unit 2: Ch-4: 4.1 to 4.5; Ch-5: 5.1 to 5.5; Ch-6: 6.2 to 6.4

Unit 3: Ch-7: 7.2 to 7.8; Ch-8: 8.1 to 8.4

Unit 6: Ch-14: 14.1 to 14.4; 14.6, 14.8, 14.9; Ch-18: 18.1 to 18.6

Unit 7: Ch-19: 19.1 to 19.5

Main Reference Book-2:

Unit 4: Ch-3 & Ch-4

Unit 5: Ch-5

Accomplishments of the student after completing the course:

Ability to apply statistical techniques in decision making in solving real-world problems

Ability to use computers to analyze the data

Fundamentals of Java Programming (Java) Subject Code: 630002

2010-08-31T17:48:00.000+05:30

GUJARAT TECHNOLOGICAL UNIVERSITY
MASTER OF COMPUTER APPLICATION
SEMESTER: III
Subject Name: Fundamentals of Java Programming (Java)
Subject Code: 630002

Objectives:

• To develop proficiency in creating console based and GUI based applications using the Java

Programming Language.

• To be able to understand the concepts of Object Oriented Programming Language and easily use

Java.

• To get a good understanding of developing multi-threaded applications using the Java

Programming Language.

• To be able to develop Applets for embedding in a web page.

Prerequisites:

Knowledge of the C programming language.

Contents:

Unit-1: Object Oriented Programming And Introduction To Java, Data Types,
Operators, Statements And Defining Classes In Java

• Features of the Java Language, Object-oriented Programming

• Creating an Application in Java, Compiling and executing Applications in Java

• Program comments

• Primitive data types, Integer Data Types, Floating Point Data Types

• Reference Data types

• Arrays, single and multi-dimensional arrays

• Other reference types, classes, interfaces, enums and annotations

• Unicode escapes in Java source code

• Understanding super types and subtypes.

• Operators - Arithmetic, String concatenation, Relational, Logical, Bitwise, increment-decrement,

conditional, assignment, cast and instance of operators.

• Understanding the narrowing and widening conversions of numeric data types.

• Statements - if, if-else, switch-case, for, while, do-while, break, continue and return statements.

• Various members within a class

• instance variables

• methods and their overloading

• constructors and their overloading

• Garbage collector and finalize method

• static variables and methods

• initializer blocks and the class initializer blocks

Unit -2: Inheritance and sub classing in Java and packages and use of access
specifiers

• Defining subclasses

• Using super to use constructor of a super-class, Method overriding and use of super, Variable

shadowing and use of super.

• Method and variable binding

• Using final with variables, methods and classes

• Abstract classes and interfaces, Abstract classes and abstract methods

• Single inheritance of classes, Interfaces

• Object class as the super class of all classes, Methods inherited from the Object class

• Uses of package and import statements, use of static imports

• use of CLASSPATH for class loading

• Access specifiers, Access specifiers for members of a package, Access specifiers for members of

a class, Access specifiers for overriding methods

• Using the Java APIs

• Commonly used classes from the java. language package

• Comparable and Comparator interfaces

• String, String Buffer and the String Builder classes

• Understanding pass by value and pass by reference for Java

• Wrapper classes

• Math class constants and methods

Unit-3: Exceptions, Nested enum types and Collection framework

• Runtime stack and execution of application

• The return and the throw statements, The return type and throws declaration in methods,

Checked and the Unchecked exception classes, The Throwable class

• Exception chaining, Handling exceptions with try and catch, Use of the finally block, Creating

custom exception classes

• Member Types

• Top level nested classes and Inner classes, The local class and anonymous classes

• The enum type

• classes from java.util package

• Date, Time Zone, Calendar and the Gregorian Calendar classes

• Collection Framework, Collection interface, Set and List interfaces, Map interface

• Generics in the Collection Framework

• Regular Expressions, Pattern and Matcher classes

• Scanner class

• Varargs and the Formatter class

Unit-4: Stream based I/O and Multi-threading

• Stream classes, Output Stream and the Writer classes, Input Stream and the Reader classes,

Bridge classes Output Stream Writer and the Input Stream Reader , Writing and reading from

files using File Output Stream and the File Input Stream

• Piped Streams, Array based streams, Filter streams, Buffered streams, Print Stream and the Print

Writer classes, Data and Object streams

• Random Access File

• Multi-threading, Thread class and thread of execution, Creating a new Thread of execution,

Thread Group, properties of Thread instance, Daemon Threads

• Thread states, synchronization

• Another way of creating a thread of execution

Unit-5: GUI Programming, Building Applets and Introduction to Annotations

• Comparing AWT and swing features, AWT Components, Overview of the AWT components,

Component properties

• Graphics context

• Containers, Container class, Layout Managers, Top-level containers

• Window class, Decorated windows Frame and Dialog

• Panel class

• Events, Event Delegation Model, AWT Events

• Adapter classes

• Swing and MVC

• J component

• J option Pane

• Showing Message, Confirm and Input Dialogs

• Browser as a container for Applets

• Life-cycle of an Applet, Applet Stub and Applet tag, Applet Context and the URL class.,

Applet class

• Defining a new annotation , Annotating a programming element, Annotation element names

and usage, Meta-annotations

Notes:

Term work is to be carried out as per the above syllabus.

Main Reference Book(s):

1) Pravin Jain, “The class of Java” Pearson Education, (2010).

2) Cay S. Horstmann, Gary Cornell, “Core Java 2, Volume 1 – Fundamentals”, Pearson Education

(8th edition – 2008).

Suggested Additional Reading:

1) Ivor Horton's “Beginning Java 2” JDK 5 Edition, Wiley Computer Publishing, (2007).

2) Ken Arnold, James Gosling, David Holmes, “The Java Programming Language”, Addison-

Wesley Pearson Education (4th Edition – 2005).

3) Raj Kumar Buyya, S. Thamarai Selvi, & Xing Chen Chu, “Object-Oriented Programming with

Java: Essentials & Applications”, Tata McGraw Hill

4) Cay Horstmann, “Big Java”, Wiley Computer Publishing (2nd edition – 2006).

5) Sharan Zakhour, Scott Hommel, Jacob Royal, Isaac Rabinovitch, Tom Risser, Mark Hoeber

“The Java Tutorial”, Addison-Wesley Pearson Education(4th Edition), available for online

reference at http://java.sun.com/docs/books/tutorial/index.html

6) James Gosling, Bill Joy, Guy Steele, Gilad Bracha, “The Java Langauge Specifications”,

Addison-Wesley Pearson Education(3rd edition), available for download at

http://java.sun.com/docs/books/jls/download/langspec-3.0.pdf

Chapter wise Coverage from Main Reference Book(s):

1. Book #1 -> Ch. 1, Ch. 2 Except for section on Various tools in JDK and Using java doc,

Ch. 3, Ch. 4, Ch. 5

2. Book #1 -> Ch. 6, Ch. 7, Ch. 8, Ch. 9 Except for sections on generating java doc,

commonly used packages from Java APIs, Ch. 10 Except for sections on

Unicode characters and using supplementary characters and Numeric values

requiring more than 64 bits.

3. Book #1 -> Ch. 11 Except for section on assertions, Ch. 12, Ch. 13 Except for sections

on Arrays class, Collections class and String To kenizer class

4. Book #1 -> Ch. 14 Except for sections on Pushback streams and Sequence Input Stream,

Ch. 16

5. Book #1 -> Ch. 17 Except for section on Toolkit, Ch. 18 Except for section on Scroll

Pane class, Ch. 19, Ch. 20 Except for sections on J layered Pane class and

MVC and using the models in J table and J tree., Ch. 21, Ch. 23

Accomplishments of the Student after Completing the Course:

• Ability to create appropriate classes using the Java Programming Language to solve a problem

using Object Oriented Approach.

• Ability to write console based and GUI based applications in the Java Programming Language.

• Ability to develop to multi-threaded applications using the Java Programming Language

• Ability to create Applets using the Java Programming Language

Structured & Object Oriented Analysis & Design Methodology (SOOADM) 630001

2010-08-31T17:33:00.000+05:30

GUJARAT TECHNOLOGICAL UNIVERSITY
MASTER OF COMPUTER APPLICATION
SEMESTER: III

Subject Name: Structured &; Object Oriented Analysis &; Design Methodology (SOOADM)
Subject Code: 630001

Objectives:

System Analysis and Design is a practical field that relies on a core set of concepts and principles. The

objective of this course is to teach the students tried-and-tested techniques widely embraced by

experienced analysts plus new and emerging tools and techniques that recent graduates are expected to

apply on the job. The course is meant to give balanced exposure to both traditional and object oriented

approaches to system analysis and design.

Prerequisite:

Fundamentals of Structured Programming and Fundamentals of Object Oriented Programming
Contents:

1. System Analysis Fundamentals (10%)

• Types of Systems

• Role of the System Analyst

• Systems Development Life Cycle

• CASE Tools

• Interviewing

• Joint Application Development

• Using Questionnaires

2. Analysis Modeling (15%)

• Data Flow Approach

• Developing Data Flow Diagrams

• Logical and Physical Data Flow Diagrams

• Data Dictionary

• Creating Data Dictionary

• Using Data Dictionary

• Process Specifications

• Structured English

• Decision Tables

• Decision Trees

-2-

3. System Design (25%)

• Designing Effective Output

• Output Design Objectives

• Designing a Web Site

• Form Design

• Web Forms Design

• Data Concepts, Normalization

• Denormalization

• Data Warehouses

• Human-Computer Interaction

• Types of Interfaces

• Dialog Design

• Designing Queries

• Effective Coding

• Effective Data Capture

• Input Validation

4. Object Modeling Concepts (15%)

• Introduction

• Modeling as a design technique

• Class Modeling-Object and Classes

• Association

• Generalization

• Aggregation

• Abstract class

• Multiple inheritance

• Metadata

• Reification

• Constraints

• Derived data

• Packages

• State Modeling- State

• Transitions and Conditions

• State Diagrams

• Nested state diagrams

• Nested States

• Signal Generalization

• Concurrency

5. Object Oriented Analysis and Design (15%)

• Process overview- Development stages

• Development life cycle

• System conception

• Domain Analysis

• Application Analysis

-3-

• System Design

• Class Design

• Process summary

6. Basic Structural Modeling (10%)

• Classes

• Relationships

• Common Mechanisms

• Diagrams

• Class Diagrams

7. Behavioral Modeling (10%)

• Interactions

• Use Cases

• Use Case Diagrams

• Interaction Diagrams

• Activity Diagrams

Main Reference Book(s):

1) Systems Analysis and Design by Kendall & Kendall, PHI Publication, 7th Edition.

2) Object-Oriented Modeling and Design with UML by Michael Blaha, James Rumbaugh, Pearson

Education Publication, 2nd Edition.

3) The Unified Modeling Language - User Guide by Grady Booch, James Rumbaugh, Ivar

Jacobson, Pearson Education Publication.

Suggested Additional Reading:

1) Modern Systems Analysis and Design by Jeffrey A. Hoffer, Joey F. George, Joseph S. Valacich,

Prabin K. Panigrahi, Pearson Education Publication, 4th Edition.

2) Object Oriented Analysis and Design Using UML by Mahesh P. Matha, PHI Publication

3) UML Distilled by Martin Fowler, Pearson Edition, 3rd Edition.

4) Object Oriented Systems Development Using the Modified Modeling Language by Ali Bahrami,

Tata McGraw Hill Publication.

5) System Analysis and Design with UML Version 2.0 by Alan Dennis, Barbary Haley Wixom,

David Tegarden, John Wiley India Publication, 2nd Edition.

6) Appling UML and Patterns by Craig Larman, Pearson Education, 2nd Edition.

7) An Introduction to Object-Oriented Analysis – Objects and UML in Plain English by David

William Brown, John Wiley & Sons Publication, 2nd Edition

-4-

Chapter-wise coverage from main reference book:

Book Chapters

1 1,4,7-9,11-15

2 1-6,10-16

3 1-8,15-19

Accomplishments of the student after completing the course:

After completion of the course the students would be well versed with

• The role of System Analyst

• Modern structured analysis approaches

• Key modeling concepts that apply to both the traditional structured approach and the newer

object-oriented approach

• Unified Process and use of UML for Object-Oriented Analysis and Design

System Software (SS) 630005 E-BOOK

2010-08-08T11:47:00.002+05:30

E-book Download link

Kenneth C. Louden, “Compiler Construction: Principles and Practice

Structured & Object Oriented Analysis & Design Methodology (SOOADM) 630001 E-BOOK DOWNLOAD

2010-08-08T11:45:00.002+05:30

E-book Download link

The Unified Modeling Language - User Guide by Grady Booch, James Rumbaugh, Ivar Jacobson, Pearson Education Publication

Operating System (OS) 630004 E-BOOK

2010-08-08T11:41:00.003+05:30

e-Book Download link

Stalling W, “Operating Systems

e-Book download link

Tanenbaum A.S., “Modern Operating Systems

e-Book download link

Bach M J, “The Design of UNIX Operating System

Fundamentals of Java Programming (Java) 630002 E-BOOK

2010-08-08T11:38:00.002+05:30

e-book download link
Cay S. Horstmann, Gary Cornell, “Core Java 2, Volume 1 – Fundamentals

e-Book Download link

Ivor Horton's “Beginning Java 2” JDK 5 Edition, Wiley Computer Publishing

Raj Kumar Buyya, S. Thamarai Selvi, & Xing Chen Chu, “Object-Oriented Programming with Java: Essentials & Applications

e-Book Download link

Cay Horstmann, “Big Java”, Wiley Computer Publishing