Java Applet pro

Applet Life Cycle

import java.applet.Applet;

import java.awt.Graphics;

public class AppletLifeCycleExample extends Applet

{

public void init()

{

super.init();

}

public void start()

{

super.start();

}

public void stop()

{

super.stop();

}

public void paint(Graphics g)

{

super.paint(g);

}

public void destroy()

{

super.destroy();

  }

}

Basic Java Applet

import java.applet.Applet;

import java.awt.Graphics;

public class BasicAppletExample extends Applet

{

public void paint(Graphics g)

{

g.drawString("This is my First Applet",20,100);

  }

}

Create Number counter in an Applet using Thread

import java.applet.Applet;

import java.awt.Dimension;

import java.awt.Font;

import java.awt.FontMetrics;

import java.awt.Graphics;

public class UsingRepaintAndThreadExample extends Applet implements Runnable

{

int counter;

Thread t;

public void init()

{         

counter = 0;

t = new Thread(this);

t.start();

}     

public void run()

{             

Try

{

while(true)

{

repaint();

Thread.sleep(1000);

++counter;

}

}

catch(Exception e)

{

}

}

public void paint(Graphics g)

{       

g.setFont(new Font("Serif",Font.Bold,30));

FontMetrics fm = g.getFontMetrics();

String s = "" + counter;

Dimension d = getSize();

int x = d.width/2 - fm.stringWidth(s)/2;

int y = d.height/2;

g.drawString(s,x,y);

  }

}

Display Image in an Applet

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.Image;

public class DisplayImageExample extends Applet

{

Image img1, img2;     

public void init()

{               

img1 = getImage(getDocumentBase(), getParameter("Image1"));

img2 = getImage(getDocumentBase(), getParameter("Image2"));

}     

public void paint(Graphics g)

{

g.drawImage(img1, 0,0,this);

g.drawImage(img2, 100,100,this);

   }      

}

Draw 3D Rectangle & Square in Applet Window

import java.applet.Applet;

import java.awt.Color;

import java.awt.Graphics;

public class Draw3DRectanglesExample extends Applet

{

public void paint(Graphics g)

{

g.setColor(Color.green);

g.draw3DRect(10,10,50,100,true);

g.draw3DRect(100,100,50,50,true);             

g.setColor(Color.orange);

g.fill3DRect(10,150,50,100,true);

g.fill3DRect(100,200,50,50,true);     

   }

}

Draw Arc in Applet Window

import java.applet.Applet;

import java.awt.Color;

import java.awt.Graphics;

public class DrawArcExample extends Applet

{

public void paint(Graphics g)

{

setForeground(Color.red);

          g.drawArc(10,10,50,100,10,45);

g.fillArc(100,10,100,100,0,90);

   }

}