tag:blogger.com,1999:blog-5567635208854255303Tue, 31 Mar 2026 00:14:30 +0000C LanguageC programsC#C# Console App. ProgrammingUNIX Shell ProgramsComuter FundamentalNetworking Q/AOffice PackageOracle database security FAQSystem Analysis and Design (S.A.D)This website is all about programming Q/A of languages like C, C++, C#, etc. and is maintained by Amit Ranjanhttp://amitcomputerknowledge.blogspot.com/noreply@blogger.com (Amit Ranjan)Blogger132125tag:blogger.com,1999:blog-5567635208854255303.post-5087533501450754484Wed, 16 Apr 2014 06:30:00 +00002014-04-16T12:00:01.071+05:30C LanguageC programs /* Write an Interactive C Program to Check Whether a Given String is Palindrome or Not, Using Pointer*/ main() {  char ch[20],a[20],*p;  int i,len,c=0;  clrscr();  printf("Enter a string \(Word\).");  gets(ch);  len=strlen(ch);  p=a;  for(i=len-1;i>=0;i--)  {   *p=ch[i];   p++;  }  for(i=0;i<len;i++)  {   if(ch[i]=http://amitcomputerknowledge.blogspot.com/2014/04/program-to-check-whether-given-string.htmlnoreply@blogger.com (Amit Ranjan)0Patna, Bihar, India25.61046 85.14166699999998425.61046 85.141666999999984 25.61046 85.141666999999984tag:blogger.com,1999:blog-5567635208854255303.post-4813741089068281577Wed, 16 Apr 2014 04:00:00 +00002018-11-02T18:22:41.055+05:30C LanguageC programs/*Write a function strreplace(s,chr,repl_chr) which will replace each occurrences of character chr with the character repl_chr in the string s. The function returns the number of replacements.*/ int strreplace(char [],char,char); main() {  char s[160],c,r;  int i;  clrscr();  printf("Enter any string \(word or sentence\).\n");  gets(s);  printf("\nYou enter the http://amitcomputerknowledge.blogspot.com/2014/04/program-to-replace-character-in-string.htmlnoreply@blogger.com (Amit Ranjan)0Patna, Bihar, India25.61046 85.14166699999998425.61046 85.141666999999984 25.61046 85.141666999999984tag:blogger.com,1999:blog-5567635208854255303.post-9182423038914296378Wed, 16 Apr 2014 02:19:00 +00002014-04-16T14:57:51.886+05:30C LanguageC programs main() {  int bin[16],i,oct[16],s,os,j,x,r;  clrscr();  printf("Enter the number of bits you want to insert. --> ");  scanf("%d",&s);  printf("Enter Binary number with space between each bit.\n");  for(i=0;i<s;i++)  {   scanf("%d",&bin[i]);   if(bin[i]>1)   {    printf("\nThis is not a binary number.");    http://amitcomputerknowledge.blogspot.com/2014/04/program-to-convert-binary-number-to-its.htmlnoreply@blogger.com (Amit Ranjan)0Patna, Bihar, India25.61046 85.14166699999998425.4959095 84.980305499999986 25.7250105 85.303028499999982tag:blogger.com,1999:blog-5567635208854255303.post-7862770684099082611Sat, 29 Mar 2014 12:46:00 +00002014-03-29T18:24:30.380+05:30C LanguageC programs /* Assume that the United States of America uses the following income tax code formula for their annual income: First US$ 5,000 of income: 0% tax Next US$ 10,000 of income: 10% tax Next US$ 20,000 of income: 15% tax Next  Amount upto and above US$ 35,000: 20% tax. For example, somebody earning US$ 38,000 annually would owe US$ 5,000 X 0.00 + 10,000 X 0.10 + 20,000 X 0.15 + http://amitcomputerknowledge.blogspot.com/2014/03/program-to-calculate-and-report-owed.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-5657698166381578809Sat, 29 Mar 2014 11:30:00 +00002014-03-29T18:22:41.562+05:30C LanguageC programs /*Amicable Numbers are two numbers so related that the sum of the proper divisors of the one is equal to the other, unity being considered as a proper divisor but not the number itself. Such a pair is (220, 284).*/ main() {  int num1, num2, i, t1=0,t2=0;  clrscr();  printf("Enter two numbers to check whether they are amicable numbers or not. --> ");  scanf("%d%d",&http://amitcomputerknowledge.blogspot.com/2014/03/program-to-check-whether-given-two.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-2034015954815445432Mon, 20 Jan 2014 13:35:00 +00002014-01-27T19:04:40.797+05:30Office PackageWhen one of my friend was preparing a presentation then he faced a problem to embed youtube video to his Slide. He asked me that if I know how to do that. But at that time I was also not aware of that particular method of embedding which I am going to share with all of you. I hope this will help you in your presentation work. Best of LUCK. http://amitcomputerknowledge.blogspot.com/2014/01/how-to-embed-youtube-video-in.htmlnoreply@blogger.com (Amit Ranjan)0Patna, Bihar, India25.61046 85.14166699999998425.4959095 84.980305499999986 25.7250105 85.303028499999982tag:blogger.com,1999:blog-5567635208854255303.post-3944733729966555588Mon, 25 Feb 2013 07:55:00 +00002014-01-27T18:59:01.951+05:30C LanguageC programs main() {  int num,number;  char ch;  while(1)  {  clrscr();  printf("\nEnter any number between 0 to 1000 :-\nNumber = ");  scanf("%d",&number);  num=number;  z: if(num<=10 && num>0)  {   if(num==1)  printf("One");  if(num==2)  printf("Two");   if(num==3)  printf("Three");  if(num==4)  http://amitcomputerknowledge.blogspot.com/2013/02/program-to-take-any-number-from-1-to.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-2221650710783166134Wed, 07 Nov 2012 04:44:00 +00002014-01-27T18:59:14.875+05:30C#C# Console App. Programming using System; delegate void MDelegate(); class DM {  static public void Display()  {   Console.WriteLine("New Delhi");  }  public static void Print()  {   Console.WriteLine("New York");  } } class MTest {  static void Main()  {   MDelegate m1 = new MDelegate(DM.Display);   MDelegate m2 = new MDelegate(DM.Print);   MDelegate m3 = http://amitcomputerknowledge.blogspot.com/2012/11/program-to-illustrate-application-of.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-1974132888082977652Wed, 07 Nov 2012 04:42:00 +00002014-01-27T19:07:38.531+05:30C#C# Console App. Programming using System; delegate int ArithOp(int x,int y); class MathOperation {  public static int Add(int a,int b)  {   return a+b;  }  static public int Sub(int a,int b)  {   return a-b;  } } class DelegateTest {  static void Main()  {   ArithOp[] Op = { new ArithOp(MathOperation.Add),                   http://amitcomputerknowledge.blogspot.com/2012/11/program-to-illustrate-how-array-of.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-3022181289892311533Wed, 07 Nov 2012 04:38:00 +00002014-01-29T19:43:54.584+05:30C#C# Console App. Programming using System; delegate int ArithOp(int x,int y); class MathOperation {  public static int Add(int a,int b)  {   return a+b;  }  static public int Sub(int a,int b)  {   return a-b;  } } class DelegateTest {  static void Main()  {   ArithOp AddOp = new ArithOp(MathOperation.Add);   ArithOp SubOp = new ArithOp(MathOperation.Sub);   http://amitcomputerknowledge.blogspot.com/2012/11/program-to-illustrate-how-delegate-is.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-7238997185376741723Mon, 05 Nov 2012 15:14:00 +00002014-01-29T19:43:42.928+05:30C#C# Console App. Programming using System; class ExplicitInterface {  interface readFile  {   void Read();   void Write();  }  interface writeFile  {   void View();   void Read();  }  public class Document : readFile , writeFile  {   public Document(string doc)   {    Console.WriteLine("Creating a document with : "+doc);   }   public http://amitcomputerknowledge.blogspot.com/2012/11/another-program-to-illustrate-use-of.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-6064604119595857647Mon, 05 Nov 2012 15:13:00 +00002014-01-29T19:44:06.493+05:30C#C# Console App. Programming using System; class Program {  static void Main()  {   ABS[] aArray = new ABS[3];   aArray[0] = new Class1(1,2,"This is the first value in array");   aArray[1] = new Class1(3,4,"This is the next value in array");   aArray[2] = new Class2(5,6);   for(int i=0;i<3;aArray[i].Show(),i++);   Console.ReadKey();  } } public abstract class ABS {  http://amitcomputerknowledge.blogspot.com/2012/11/program-to-show-inheritance-using.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-753538750956776617Mon, 05 Nov 2012 14:58:00 +00002014-01-29T19:43:31.059+05:30C#C# Console App. Programming using System; interface I1 {  void Display(); } interface I2 {  void Display(); } class C : I1 , I2 {  void I1.Display()  {   Console.WriteLine("I1 Display Method called .");  }  void I2.Display()  {   Console.WriteLine("I2 Display Method called .");  } } class InterfaceTest {  static void Main()  {   C c = new C();   I1 i1 http://amitcomputerknowledge.blogspot.com/2012/11/program-to-illustrate-use-of-explicit.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-8412507616158186006Mon, 05 Nov 2012 14:54:00 +00002014-01-29T19:43:12.333+05:30C#C# Console App. Programming using System; interface Display {  void Print(); } class B : Display {  public void Print()  {   Console.WriteLine("Base Display. ");  } } class D : B {  public new void Print()  {   Console.WriteLine("Derived Display. ");  } } class InterfaceTest {  static void Main()  {   D d=new D();   d.Print();   Display dis = (Display)http://amitcomputerknowledge.blogspot.com/2012/11/program-for-inheriting-class-that.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-7966895347446341369Mon, 05 Nov 2012 14:50:00 +00002014-01-29T19:43:07.096+05:30C#C# Console App. Programming using System; interface Area {  double Compute(double x); } class Square : Area {  public double Compute(double x){ return x*x; } } class Circle : Area {  public double Compute(double x){ return Math.PI*x*x; } } class InterfaceTest {  static void Main()  {   Square sqr=new Square();   Circle cir=new Circle();   Area area;   area= sqr as Area;   http://amitcomputerknowledge.blogspot.com/2012/11/program-for-multiple-implimentation-of.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-3003822528268649084Mon, 05 Nov 2012 14:44:00 +00002014-01-29T19:42:49.062+05:30C#C# Console App. Programming using System; interface Addition { int Add(); } interface Multiplication { int Mul(); } class Computation : Addition , Multiplication {  int x,y;  public Computation(int x,int y)  {   this.x = x;   this.y = y;  }  public int Add() {  return x+y;  }  public int Mul() {  return x*y;  } } class InterfaceTest {  static void Main() &http://amitcomputerknowledge.blogspot.com/2012/11/program-for-implementation-of-multiple.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-105180809730538689Sun, 04 Nov 2012 12:20:00 +00002014-01-29T19:42:21.638+05:30C#C# Console App. Programming using System; class Number {  int number;  public int Anumber  {   get   {    return number;   }   set   {    number=value;   }  } } class PropertyTest {  static void Main()  {   Number n = new Number();   n.Anumber=100;   int m=n.Anumber;   Console.WriteLine("m = "+m);  } } -----------------http://amitcomputerknowledge.blogspot.com/2012/11/program-to-implementing-property-in-c.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-7778609061926718985Sun, 04 Nov 2012 12:15:00 +00002014-01-29T19:42:15.935+05:30C#C# Console App. Programming using System; class Maruti {  public virtual void Display()  {   Console.WriteLine("Maruti Car.");  } } class Esteem : Maruti {  public override void Display()  {   Console.WriteLine("Maruti Esteem.");  } } class Zen : Maruti {  public override void Display()  {   Console.WriteLine("Maruti Zen.");  } } class Inclusion {  static http://amitcomputerknowledge.blogspot.com/2012/11/program-to-show-upcasting-of-object-of.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-6838503175491267959Sun, 04 Nov 2012 08:07:00 +00002014-01-29T19:42:11.443+05:30C#C# Console App. Programming using System; class BaseClass {  public int num1,num2,num3;  public virtual int function1()  {   Console.WriteLine("Base class : function1() returning 1 called.");   return 1;  }  public virtual int function2()  {   Console.WriteLine("Base class : function2() returning 2 called.");   return 2;  }  public virtual int function3()  { http://amitcomputerknowledge.blogspot.com/2012/11/program-of-hierarchical-inheritance-and.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-552322114310064185Sun, 04 Nov 2012 08:02:00 +00002014-01-29T19:41:49.622+05:30C#C# Console App. Programming using System; class GrandParent {  private string clname;  public GrandParent(){}  public GrandParent(string s)  {   clname = s;  }  public virtual void Display()  {   Console.WriteLine("GrandParent Class Display Method called by "+clname+"\'s object");  } } class Parent : GrandParent {  private string clname;  public Parent(){}  http://amitcomputerknowledge.blogspot.com/2012/11/program-to-show-use-of-sealed-keyword_4.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-4735862471236125899Sun, 04 Nov 2012 07:57:00 +00002014-01-29T19:41:41.405+05:30C#C# Console App. Programming using System; sealed class GrandParent {  public void Show()  {   Console.WriteLine("GrandParent Class Method");  } } class Parent // :GrandParent        //Error; 'Parent' cannot derive from sealed type class 'GrandParent' {  public virtual void Display()  {   Console.WriteLine("Parent Class Method");  } } sealed class Child : Parent { http://amitcomputerknowledge.blogspot.com/2012/11/program-to-show-use-of-sealed-keyword.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-6561327168752025256Sun, 04 Nov 2012 07:50:00 +00002014-01-29T19:41:29.594+05:30C#C# Console App. Programming using System; abstract class Base {  public Base()  {   Console.WriteLine("Welcome in Base Class");  }  public void Display()  {   Console.WriteLine("It's a normal method in abstract class");  }  public abstract void Sum(int x,int y); } class Derived : Base {  public Derived()  {   Console.WriteLine("Welcome in Derived Class");  } http://amitcomputerknowledge.blogspot.com/2012/11/program-to-show-use-of-abstract-keyword.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-1745107740092822391Sun, 04 Nov 2012 07:45:00 +00002014-01-29T19:40:53.051+05:30C#C# Console App. Programming using System; class GrandParent {  public virtual void Display()  {   Console.WriteLine("GrandParent Class Method");  } } class Parent : GrandParent {  public override void Display()  {   Console.WriteLine("Parent Class Method");  } } class Child : Parent {   public override void Display()   {    Console.WriteLine("Child Class Method");http://amitcomputerknowledge.blogspot.com/2012/11/program-to-demonstrate-use-of-virtual.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-7782540481101060522Wed, 31 Oct 2012 05:41:00 +00002014-01-29T19:40:20.894+05:30C# First of all open run window and type cmd and then press 'enter' or click 'ok' button. Then go to the folder or make a folder where you want to create and compile .cs file (C-Sharp source code). For example:- c:\Users\Administrator>d: d:\>md C#Folder d:\>cd C#Folder d:\C#Folder> Now create a batch file with the name CSCompiler.bat by writing the any one of the following commands d:http://amitcomputerknowledge.blogspot.com/2012/10/how-to-compile-c-sharp-programs-through.htmlnoreply@blogger.com (Amit Ranjan)0tag:blogger.com,1999:blog-5567635208854255303.post-14199634951098916Tue, 23 Oct 2012 02:48:00 +00002014-01-29T19:40:05.124+05:30C# Console App. Programming using System; class Program5 {  public static void Main()  {   double l,b,r,A_r,P_r,A_c,C_c;  Console.Write("Enter length and breadth of a rectangle in cm\n");  l=Convert.ToDouble(Console.ReadLine());  b=Convert.ToDouble(Console.ReadLine());  A_r=l*b;  P_r=2*(l+b);  Console.Write("Area of rectangle = {0} sq.cm\nPerimeter of rectangle = {1} cm\n",A_r,http://amitcomputerknowledge.blogspot.com/2012/10/the-length-breadth-of-rectangle-and.htmlnoreply@blogger.com (Amit Ranjan)0