CSedukit.com

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

/*

<applet code="men1" width=200 height=200>

</applet>

*/



class MenuFrame extends Frame

{

	String msg="";

	CheckboxMenuItem debug,test;

	MenuFrame(String title)

	{

		super(title);

		MenuBar mbar = new MenuBar();

		setMenuBar(mbar);

		

		Menu file =new Menu("file");

		MenuItem item1,item2,item3,item4,item5;

		file.add(item1 = new MenuItem("New..."));

		file.add(item2 = new MenuItem("Open..."));

		file.add(item3 = new MenuItem("Close..."));

		file.add(item4 = new MenuItem("-"));

		file.add(item5 = new MenuItem("quit..."));

		mbar.add(file);

		

		Menu edit =new Menu("edit");

		MenuItem item6,item7,item8,item9;

		edit.add(item6 = new MenuItem("cut"));

		edit.add(item7 = new MenuItem("copy"));

		edit.add(item8 = new MenuItem("paste"));

		edit.add(item9 = new MenuItem("-"));

		

		Menu sub = new Menu("special");

		MenuItem item10,item11,item12;

		sub.add(item10 = new MenuItem("First"));

		sub.add(item11 = new MenuItem("Second"));

		sub.add(item12 = new MenuItem("Third"));

		edit.add(sub);

		

		debug = new CheckboxMenuItem("debug");

		edit.add(debug);

		test = new CheckboxMenuItem("testing");

		edit.add(test);

		

		mbar.add(edit);

		

		MyMenuHandler handler = new MyMenuHandler(this);

		item1.addActionListener(handler);

		item2.addActionListener(handler);

		item3.addActionListener(handler);

		item4.addActionListener(handler);

		item5.addActionListener(handler);

		item6.addActionListener(handler);

		item7.addActionListener(handler);

		item8.addActionListener(handler);

		item9.addActionListener(handler);

		item10.addActionListener(handler);

		item11.addActionListener(handler);

		item12.addActionListener(handler);

		debug.addItemListener(handler);							;

		test.addItemListener(handler)

MyWindowAdapteradapter=new MyWindowAdapter(this);

		addWindowListener(adapter);

	}

	public void paint(Graphics g)

	{

		g.drawString(msg,10,200);

		if(debug.getState())

		g.drawString("Debug is on.",10,220);

		else

		g.drawString("Debug is off.",10,220);

		

		g.drawString(msg,10,200);

		if(test.getState())

		g.drawString("Testing is on.",10,240);

		else

		g.drawString("Testing is off.",10,240);

	}

}

class MyWindowAdapter extends WindowAdapter

{

	MenuFrame menuFrame;

	public MyWindowAdapter(MenuFrame menuframe)

	{

		this.menuFrame =menuFrame;

	}

	public void windowClosing(WindowEvent we)

	{

		menuFrame.setVisible(false);

	}

}

class MyMenuHandler implements ActionListener,ItemListener

{

	MenuFrame menuFrame;

	public MyMenuHandler(MenuFrame menuFrame)

	{

		this.menuFrame = menuFrame;

	}

	public void actionPerformed(ActionEvent ae)

	{

		String msg="You Selected : ";

		String arg =(String)ae.getActionCommand();

		if(arg.equals("New..."))

		msg += "New.";

        else if(arg.equals("Open..."))

		msg += "Open.";

		else if(arg.equals("Close..."))

		msg += "Close.";

		else if(arg.equals("Quit..."))

		msg += "Quit.";

		else if(arg.equals("Edit"))

		msg += "Edit.";

        else if(arg.equals("copy"))

		msg += "copy.";

		else if(arg.equals("paste"))

		msg += "paste.";

		else if(arg.equals("First"))

        msg += "First.";

        else if(arg.equals("Second"))

        msg += "Second.";

        else if(arg.equals("Third"))

        msg += "Third.";

        else if(arg.equals("Debug"))

        msg += "Debug.";

        else if(arg.equals("Testing"))

        msg += "Testing.";

        

        menuFrame.msg =msg;

        menuFrame.repaint();

    }



public void itemStateChanged(ItemEvent ie)

{

	

	menuFrame.repaint();

}

}



public class men1 extends Applet

{

	Frame f;

	public void init()

	{

		f=new MenuFrame("menu");

		int width = Integer.parseInt(getParameter("width"));

		int height = Integer.parseInt(getParameter("height"));

		setSize(new Dimension (width,height));

		f.setSize(width,height);

		f.setVisible(true);

	}

	public void start()

	   {

		f.setVisible(true);

        }

	public void stop()

      {	

		f.setVisible(false);

      }	

}

OUTPUT:

Tabbed pane

noreply@blogger.com (Anoop) — Fri, 23 Jul 2010 05:26:00 -0700

import javax.swing.*;
import java.awt.*;
import java.applet.*;
/*
<applet code="tpane" width=200 height=200>
</applet>
*/
public class tpane extends JApplet
{
 public void init()
 {
  JTabbedPane p1 = new JTabbedPane();
  p1.addTab("cities",new city());
  p1.addTab("colors",new color());
  getContentPane().add(p1);
 }
}
class city extends JPanel
{
 public city()
 {
  JButton b1 = new JButton("new york");
  add(b1);
  JButton b2 = new JButton("las vegas");
  add(b2);
  JButton b3 = new JButton("chicago");
  add(b3);
 }
}
class color extends JPanel
{
 public color()
 {
  JCheckBox c1 = new JCheckBox("red");
  add(c1);
  JCheckBox c2 = new JCheckBox("green");
  add(c2);
  JCheckBox c3 = new JCheckBox("blue");
  add(c3);
 }
}

OUTPUT

MultiLevel Inheritace

noreply@blogger.com (Anoop) — Fri, 23 Jul 2010 05:22:00 -0700

import java.io.*;

class box

{

	private double width;

	private double height;

	private double depth;

	box(box ob)

	{

		width=ob.width;

		height=ob.height;

		depth=ob.depth;

	}

	box(double w,double h,double d)

	{

		width =w;

		height=h;

		depth=d;

	}

	box()

	{

		width=-1;

		height=-1;

		depth=-1;

	}

	double volume()

	{

		return(height*width*depth);

	}

}

class boxweight extends box

{

	double weight;

	boxweight(boxweight ob)

	{

		super(ob);MultiLevel Inheritace*/





import java.io.*;



class box



{



private double width;



private double height;



private double depth;



box(box ob)



{



width=ob.width;



height=ob.height;



depth=ob.depth;



}



box(double w,double h,double d)



{



width =w;



height=h;



depth=d;



}



box()



{



width=-1;



height=-1;



depth=-1;



}



double volume()



{



return(height*width*depth);



}



}



class boxweight extends box



{



double weight;



boxweight(boxweight ob)



{



super(ob);



weight=ob.weight;



}



boxweight(double w,double h,double d,double m)



{



super(w,h,d);



weight=m;



}



boxweight()



{



super();



weight=-1;



}



boxweight(double len,double m)



{



super();



weight=m;



}



}



class shipment extends boxweight



{



double cost;



shipment(shipment ob)



{



super(ob);



cost=ob.cost;



}



shipment(double w,double h,double d,double m,double c)



{



super(w,h,d,m);



cost=c;



}



shipment()



{



super();



cost=-1;



}



shipment(double len,double m,double c)



{



super(len,m);



cost=c;



}



}



class level



{



public static void main(String args[])



{



shipment s1=new shipment(10,20,15,10,3.41);



shipment s2=new shipment(2,3,4,0.76,1.28);



double vol;



vol=s1.volume();



System.out.println("volume of shipment is"+vol);



System.out.println("weight of shipment is"+s1.weight);



System.out.println("shipping cist is"+s1.cost);



System.out.println();



vol=s2.volume();



System.out.println("volume of shipment is"+vol);



System.out.println("weight of shipment is"+s2.weight);



System.out.println("shipping cist is"+s2.cost);



}



}









		weight=ob.weight;

	}

	boxweight(double w,double h,double d,double m)

	{

		super(w,h,d);

		weight=m;

	}

	boxweight()

	{

		super();

		weight=-1;

	}

	boxweight(double len,double m)

	{

		super();

		weight=m;

	}

}

class shipment extends boxweight

{

	double cost;

	shipment(shipment ob)

	{

		super(ob);

		cost=ob.cost;

	}

shipment(double w,double h,double d,double m,double c)

	{

		super(w,h,d,m);

		cost=c;

	}

	shipment()

	{

		super();

		cost=-1;

	}

	shipment(double len,double m,double c)

	{

		super(len,m);

		cost=c;

	}

}

class level

{

	public static void main(String args[])

	{

		shipment s1=new shipment(10,20,15,10,3.41);

		shipment s2=new shipment(2,3,4,0.76,1.28);

		double vol;

		vol=s1.volume();

		System.out.println("volume of shipment is"+vol);

		System.out.println("weight of shipment is"+s1.weight);

		System.out.println("shipping cist is"+s1.cost);

		System.out.println();

		vol=s2.volume();

		System.out.println("volume of shipment is"+vol);

		System.out.println("weight of shipment is"+s2.weight);

		System.out.println("shipping cist is"+s2.cost);

	}

}



OUTPUT

String at center

noreply@blogger.com (Anoop) — Fri, 23 Jul 2010 05:02:00 -0700

import java.applet.*;
import java.awt.*;
/*
<applet code="cstr" width=200 height=200>
</applet>
*/
public class cstr extends Applet
{
Font f=new Font("courier",Font.BOLD|Font.ITALIC,36);
String msg="WELCOME TO JAVA";
public void paint(Graphics  g)
{ 
Dimension d=this.getSize();
g.setFont(f);
drawCenteredString(msg,d.width,d.height,g);
}
public void drawCenteredString(String s,int w,int h,Graphics  g)
{
FontMetrics fm=g.getFontMetrics();
int x=(w-fm.stringWidth(s))/2;
int y=(fm.getAscent()+(h-(fm.getAscent()+fm.getDescent()))/2);
g.drawString(s,x,y);

}
}


OUTPUT

Moving face

noreply@blogger.com (Anoop) — Fri, 23 Jul 2010 04:59:00 -0700

import java.io.*;
import java.awt.*;
import java.applet.*;
/*<applet code="movingface" width=500 height=500>
</applet>
*/
public class movingface extends Applet implements Runnable
{
 int x=5,y=5;
 Thread t=null;
 public void start()
 {
  t=new Thread(this);
  t.start();
 }
 public void run()
 {
  for(int i=0;i<100;i++)
  {
   try
   {
    repaint();
    Thread.sleep(200);
    x=x+10;
    y=y+10;
   }
   catch(InterruptedException e)
   {
    System.out.println(e);
   }}
  }
 public void paint(Graphics g)
 {
   g.drawOval(40+x,40+y,120,150);
   g.drawOval(57+x,75+y,36,20);
   g.drawOval(110+x,75+y,30,20);
   g.fillOval(68+x,81+y,10,10);
   g.fillOval(121+x,81+y,10,10);
   g.drawOval(85+x,100+x,30,30);
   g.fillArc(60+x,125+x,80,40,180,180);
   g.drawOval(25+x,92+x,15,30);
   g.drawOval(160+x,92+x,15,30);
  }
 }

OUTPUT

Back Color using scroll bar

noreply@blogger.com (Anoop) — Fri, 23 Jul 2010 04:25:00 -0700

import java.applet.*;
import java.awt.*;
import java.awt.event.*;
/*
<applet code=”scroll” width=500 height=500>
</applet>
*/
public class scroll extends Applet implements AdjustmentListener
{
 Scrollbar s1;
 Scrollbar s2;
 Scrollbar s3;
 int x,y,z;
 Color c;
 public void init()
 {
  s1=new Scrollbar(Scrollbar.VERTICAL,0,1,0,255);
  s2=new Scrollbar(Scrollbar.VERTICAL,0,1,0,255);
  s3=new Scrollbar(Scrollbar.VERTICAL,0,1,0,255);
  add(s1);
  add(s2);
  add(s3);
  s1.addAdjustmentListener(this);
  s2.addAdjustmentListener(this);
  s3.addAdjustmentListener(this);
 }
public void adjustmentValueChanged(AdjustmentEvent ae)
 {
  repaint();
 }
 public void paint(Graphics g)
 {
  x=s1.getValue();
  y=s2.getValue();
  z=s3.getValue();
  c=new Color(x,y,z);
  g.setColor(c);
  setBackground(c);
 }
}

OUTPUT

Program to implement package

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:59:00 -0700

package code
pkj of-circle
package p;
public class circle
{
double a;
double pi=3.14;
public double circlearea(int h)
{
a=pi*h*h;
return a;
}
}

pjk of-rect
package p;
public class rect
{
double a;
public double rectarea(double l,double b)
{
a=l*b;
return a;
}
}

pkj of –triangle
package p;
public class triangle
{
double a;
double t=0.5;
public double triarea(double b,double h)
{a=t*b*h;
return a;
}
}

import p.*;
import java.io.*;
class areademo
{
public static void main(String args[])
{int d,h,b,a,s;
String choice;
int ch;
circle c=new circle();
rect r=new rect();
triangle t=new triangle();
try
{
DataInputStream in=new DataInputStream(System.in);
do
{ System.out.println("Enter your choice");
System.out.println("1.Area of Circle.");
System.out.println("2.Area of Triangle.");
System.out.println("3.Area of Rectangle.");
ch=Integer.parseInt(in.readLine());
switch(ch)
{
case 1:
System.out.println("Enter radius of circle");
d=Integer.parseInt(in.readLine());
System.out.println("Area of circle="+c.circlearea(d));
break;
case 2:
System.out.println("Enter base & height of triangle");
b=Integer.parseInt(in.readLine());
h=Integer.parseInt(in.readLine());
System.out.println("Area of Triangle="+t.triarea(b,h));
break;
case 3:
System.out.println("enter the length & breadth");
a=Integer.parseInt(in.readLine());
s=Integer.parseInt(in.readLine());
System.out.println("area="+r.rectarea(a,s));
break;
default:
System.out.println("invalid entry");
}
System.out.println("do you want to continue enter y or n");
choice=in.readLine();
}
while(choice.equals("y"));
}
catch(IOException ex)
{
System.out.println("Error");}}}

OUTPUT:

Different shapes

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:51:00 -0700

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
/*<applet code="shaps" width=300 height=400>
</applet>
*/
public class shaps extends Applet implements ActionListener
{
                                               static int p=0;
                                               Button cir,rec,ply,lin;
                                               String msg;
                                               public void init()
                                               {
                                                cir =new Button("Circle");
                                                rec=new Button("Rectangle");
                                                ply=new Button("Polygon");
                                                lin=new Button("Line");
                                                add(cir);
                                                add(rec);
                                                add(ply);
                                                add(lin);
                                                cir.addActionListener(this);
                                                rec.addActionListener(this);
                                                ply.addActionListener(this);
                                                lin.addActionListener(this);
                                               }
                                               public void actionPerformed(ActionEvent ae)
                                               {
                                                if(ae.getActionCommand()=="Circle")
                                                p=1;
                                                if(ae.getActionCommand()=="Rectangle")
                                                p=2;
                                                if(ae.getActionCommand()=="Polygon")
                                                p=3;
                                                if(ae.getActionCommand()=="Line")
                                                p=4;
                                                repaint();
                                               }
                                               public void paint(Graphics g)
                                               {
                                                g.setColor(Color.red);
                                                switch(p)
                                                {
                                                            case 1:
                                                                g.drawOval(100,100,200,200);
                                                                break;
                                                            case 2:
                                                                g.drawRect(100,100,200,200);
                                                                        break;
                                                            case 3:
                                                                        int a[]={400,200,950,190,45,234};
                                                                        int b[]={500,300,250,190,50,234};
                                                                        g.drawPolygon(a,b,6);
                                                                        break;
                                                                        case 4:
                                                                        g.drawLine(0,0,100,100);
                                                                        break;
                                                            }
                                                }
                                               }

OUTPUT:

Program to implement interface

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:42:00 -0700

interface area
{
final static float pi=3.14F;
float compute(float x,float y);
}
class rect implements area
{
public float compute(float x,float y)
{return (x*y);
}
}
class circle implements area
{
public float compute(float x,float y)
{
return (pi*x*x);
}
}
class intrface
{public static void main(String args[])
{
rect re=new rect();
circle ci=new circle();
area ar;
ar=re;
System.out.println("Area of rectangle"+ar.compute(10,20));
ar=ci;
System.out.println("Area of circle="+ar.compute(10,0));
}
}

OUTPUT:

Complex number generation

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:36:00 -0700

import java.io.*;
import java.io.DataInputStream;
class input
{
            int real,img;
            void read()
            {
                        try
                        {
                                    System.out.println("enter the real part");
                                    DataInputStream in=new DataInputStream(System.in);
                                    real=Integer.parseInt(in.readLine());
                                    System.out.println("enter the imaginery part");
                                    img=Integer.parseInt(in.readLine());
                                    System.out.print("u entered:"+real);
                                    System.out.println("+i"+img);
                        }
                        catch(Exception e)
                        {
                                   
                        }
            }
            void write()
            {
            System.out.print("the result is="+real);
            System.out.println("+i"+img);
}
}
class comp
{
            public static void main(String args[])
            {
                        input ob1=new input();
                        input ob2=new input();
                        input ob3=new input();
                        ob1.read();
                        ob2.read();
                        ob3.real=ob1.real+ob2.real;
                        ob3.img=ob1.img+ob2.img;
                        ob3.write();
            }
}

OUTPUT:

Sort String

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:29:00 -0700

import java.io.DataInputStream;
class sort
{ String s[]=new String[20];
int n;
            void read()
            {
                        try
                        {
                                    DataInputStream in=new DataInputStream(System.in);
                                                System.out.println("Enter the limit");
                                      n=Integer.parseInt(in.readLine());
                                    System.out.println("Enter string to sort");
                       
                                    for(int i=0;i<n;i++)
                                    {
                                                s[i]=(in.readLine());
                                    }
                        }
                        catch(Exception e)
                        {
                                    System.out.println("Exception caught"+e);
                        }
            }
            void calc()
            {
           
                        for(int i=0;i<n;i++)
                        {
                                    for(int j=i+1;j<n ;j++)
                                    {
                                                if((s[i].compareTo(s[j]))>0)
                                                {
                                                            String t=s[i];
                                                            s[i]=s[j];
                                                            s[j]=t;
                                                }
                                    }
                        }
            }
                        void result()
                        {System.out.println("the sorted result is");
                                    for(int i=0;i<n;i++)
                                    System.out.println(s[i]);
                        }
            }
            class sortstrings
            {
                                    public static void main(String args[])
                                                {
                                                            sort obj=new sort();
                                                            obj.read();
                                                            obj.calc();
                                                            obj.result();
                                                }
                                    }

OUTPUT:

Prime number generation

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:22:00 -0700

import java.io.*;
import java.io.DataInputStream;
class primeno
{
            int n,i=0,j=2,f;
            void read()
            {
                        try
                        {
                                    System.out.println("enter the limit");
                                    DataInputStream in=new DataInputStream(System.in);
                                    n= Integer.parseInt(in.readLine());
                        }
                        catch(Exception e)
                        {
                        System.out.println("caught exception"+e);
                        }
            }
            void gen()
            {
                        while(i<n)
                        {
                                    f=1;
                                    for(int k=2;k<=(j/2);k++)
                                    {
                                                if(j%k==0)
                                                {
                                                            f=0;
                                                            break;
                                                }
                                    }
                                    if(f==1)
                                    {
                                                i++;
                                                System.out.println(+j);
                                    }
                                    j++;
                        }
            }
 }        
 class prime
 {
            public static void main(String args[])
            {
                        primeno p=new primeno();
                        p.read();
                        p.gen();}}

OUTPUT:

Generate Fibonacci series

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:16:00 -0700

import java.io.*;
import java.lang.*;
class fibonacci
{
            int n,a=-1,b=1,c=0;
            void read()
            {
            try
                        {
                                    System.out.println("enter the limit");
                                    DataInputStream in=new DataInputStream(System.in);
                                    n= Integer.parseInt(in.readLine());
                        }
                        catch(Exception e)
                        {
                        System.out.println("caught exception"+e);
                        }
            }
            void gen()
            {
                        int a=-1,b=1,c=0;
                        for(int i=0;i<=n;i++)
                        {
                                    c=a+b;
                                    a=b;
                                    b=c;
                        System.out.println(+c);
            }
            }
}
class fibo
{
            public static void main(String args[])
            {
                        fibonacci f=new fibonacci();
                        f.read();
                        f.gen();
            }
}

OUTPUT:

Display current date & time

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 01:09:00 -0700

import java.util.*;
import java.io.*;
class datetime
{
public static void main(String args[])
{
Date d=new Date();
System.out.println(d);
System.out.println();
long msec=d.getTime();
System.out.println("Milliseconds"+msec);
}
}

OUTPUT

Strange number generation

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 00:56:00 -0700

import java.io.DataInputStream;
class strange
{
public static void main(String args[])
{ int limit=0;
DataInputStream in=new DataInputStream(System.in);
try
{ System.out.println("limit");
limit=Integer.parseInt(in.readLine());
}
catch(Exception e)
{
}
for(int i=1;i<limit;i++)
{ int temp=i; int sum=0;
while(temp>0)
{
int c=temp%10;
sum=sum+c*c*c;
temp=temp/10;
}
if(i==sum)
{
System.out.println(i);
}

}
}
}

OUTPUT

Sorting n number

noreply@blogger.com (Anoop) — Sun, 4 Jul 2010 00:32:00 -0700

import java.io.*;


import java.lang.*;
class sorting{int lim; 
int[] n=new int[20]; 
void read() 
{  try  
   {
 DataInputStream in=new DataInputStream(System.in);  
 System.out.println("Enter the limit");    
lim=Integer.parseInt(in.readLine()); 
 System.out.println("Enter the elements");  
for(int i=0;i<lim;i++) 
 {     
n[i]=Integer.parseInt(in.readLine());  
} 
 }  
catch(Exception e)  
{   System.out.println("Caught exception"+e);  
} 
} 
void print() 
{    for(int i=0;i<lim;i++)  
      {   for(int j=i+1;j<lim;j++)   
              {    if(n[i]>n[j])   
                      {     int temp;   
                            temp=n[i];    
                             n[i]=n[j];    
                             n[j]=temp; 
                       }  
                }  
      }    
System.out.println("Sorted list is");    
     for(int i=0;i<lim;i++)   
 {     
System.out.println(n[i]);   
 }    
 }
}
class sort{ public static void main(String args[]) 
{  
sorting s=new sorting();  
s.read(); 
s.print(); 
}
}

OUTPUT