Skip to main content

BUTTON COMPONENT OF AWT IN JAVA

import awt.*;
import java.awt.*;
import java.awt.event.*;
class Buttoncolor implements ActionListener
{

    Frame fr;
    Panel p;

    Button b1,b2,b3,b4,b5;

    Buttoncolor()
    {
        fr=new Frame("CLICK EVENT ON BUTTON COLOR AWT");
        p=new Panel();
       
        b1=new Button("RED");
        b2=new Button("GREEN");
        b3=new Button("BLUE");
        b4=new Button("YELLOW");
        b5=new Button("BLACK");

        p.add(b1);
        p.add(b2);
        p.add(b3);
        p.add(b4);
        p.add(b5);

        b1.addActionListener(this);
        b2.addActionListener(this);
        b3.addActionListener(this);
        b4.addActionListener(this);
        b5.addActionListener(this);

        fr.addWindowListener(new bwclose());

        fr.add(p);
        fr.setSize(800,800);
        fr.setVisible(true);
      }

    public void actionPerformed(ActionEvent e)
    {
        if(e.getSource()==b1)
        {
           p.setBackground(Color.red);
        }

        if(e.getSource()==b2)
        {
           p.setBackground(Color.green);
        }

        if(e.getSource()==b3)
        {
           p.setBackground(Color.blue);
        }

        if(e.getSource()==b4)
        {
           p.setBackground(Color.yellow);
        }

        if(e.getSource()==b5)
        {
           p.setBackground(Color.black);
        }
    }
}

class bwclose extends WindowAdapter
    {
        @Override
        public void windowClosing(WindowEvent e)
        {
        System.exit(0);
        }
    }

class UseBcolor
{
    public static void  main(String args[])
    {
        Buttoncolor obj =new Buttoncolor();
       
    }
}

Comments

Popular posts from this blog

IP ADDRESS CLASSES

IP address classes Class 1 st  Octet Decimal Range 1 st  Octet High Order Bits Network/Host ID (N=Network, H=Host) Default Subnet Mask Number of Networks Hosts per Network (Usable Addresses) A 1 – 126* 0 N.H.H.H 255.0.0.0 126 (2 7  – 2) 16,777,214 (2 24  – 2) B 128 – 191 10 N.N.H.H 255.255.0.0 16,382 (2 14  – 2) 65,534 (2 16  – 2) C 192 – 223 110 N.N.N.H 255.255.255.0 2,097,150 (2 21 – 2) 254 (2 8  – 2) D 224 – 239 1110 Reserved for Multicasting E 240 – 254 1111 Experimental; used for research Note:  Class A addresses 127.0.0.0 to 127.255.255.255 cannot be used and is reserved for loopback and diagnostic functions. Private IP Addresses Class Private Networks Subnet Mask Addr...

UNIX/LINUX COMMAND

Unix / Linux Command cat  --- for creating and displaying short files chmod  --- change permissions cd  --- change directory cp  --- for copying files date  --- display date echo  --- echo argument ftp  --- connect to a remote machine to download or upload files grep  --- search file head  --- display first part of file ls  --- see what files you have lpr  --- standard print command (see also  print  ) more  --- use to read files mkdir  --- create directory mv  --- for moving and renaming files ncftp  --- especially good for downloading files via anonymous  ftp . print  --- custom print command (see also  lpr  ) pwd  --- find out what directory you are in rm  --- remove a file rmdir  --- remove directory rsh  --- remote shell setenv  --- set an environment variable sort  --- sort file tail  --- display last part of file ta...

PHP CODE TO DISPLAY IMAGE

<html>     <head>         <title>Img to PHP</title>     </head>     <body>         <?php         $x=0;         echo "<h4>";                echo "<u>LOOP1</u>";                 while($x<=5)                 {                     //echo " ".$x;                     $x++; //$x=$x+1                         ?>         <font color="red">HELLO PHP</font>     <?php     echo ''.$x.'.jpg';     echo "<br>";     echo '<img src='.$x.'.jpg'.' '.'height=50 ...