Application Program

import java.awt.event.*;

public class my_app

{

Frame my_frm=new Frame(“My Application”);

Label lname=new Label(“User Name”);

TextField tname=new TextField(20);

Label lpass=new Label(“Password”);

TextField tpass=new TextField(20);

my_app()

{

my_frm.addWindowListener(new WindowAdapter()

{

public void windowClosing(WindowEvent e)

{

System.exit(0);

}

});

tpass.setEchoChar(‘x’);

Panel my_pan=new Panel();

my_pan.setLayout(new GridLayout(2,2));

my_pan.add(lname);

my_pan.add(tname);

my_pan.add(lpass);

my_pan.add(tpass);

BorderLayout xyz=new BorderLayout();

my_frm.setLayout(xyz);

my_frm.add(my_pan,BorderLayout.CENTER);

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my_frm.resize(250,100);

my_frm.show();

}

static void main(String argv[])

{

my_app hello=new my_app();

}

}

Þï¢î𢠹«ó£è¤ó£ñ¤ô¢ my_frm âù¢ªø£¼ frame à¼õ£è¢èð¢ð좮¼è¢è¤ù¢ø¶.

lname, lpass âù¢Á Þóí¢´ Label Object-èÀñ¢ ñø¢Áñ¢ tname, tpass âù¢Á Þóí¢´

TextField object-èÀñ¢ à¼õ£è¢èð¢ð좴÷¢÷ù. Þï¢î Object-è÷¢ Þï¢î Frame

ù¤ô¢ õ¼õîø¢è¢è£è ¹«ó£è¤ó£ñ¢ â¿îð¢ð좴÷¢÷¶. my_app( ) âù¢Á å¼ Constructor

function â¿îð¢ð좮¼ð¢ð¬îè¢ èõù¤»é¢è÷¢. ÞîÂ÷¢ ï£ñ¢ ܬù

initialize «õ¬ôè¬÷»ñ¢ ªêò¢î¤¼è¢è¤ù¢«ø£ñ¢. main ( ) function ù¤ô¢

my_app hello = new my_app( );

âù¢Á ïñ¢º¬ìò class -ø¢° å¼ Object à¼õ£è¢èð¢ð´õ¬îè¢ èõù¤»é¢è÷¢.

Þï¢î Object à¼õ£°ñ¢ ªð£¿¶ Üï¢î Object -ô¢ à÷¢÷ Class-ù¢ ܬù

Variable èÀñ¢ à¼õ£è¢èð¢ð좴 Constructor Function -Âñ¢ î£ù£è Þòé¢è

70

Ýóñ¢ð¤è¢è¤ù¢ø¶. Constructor Function ù¤ù¢ à÷¢

my_frm.addwindowListener(new windowAdopter( ) {

public void windowClosing (WindowEvent e ) {

System.exit(0);

}

});

âù¢Á ªè£´è¢èð¢ð좮¼ð¢ð¬îè¢ èõù¤»é¢è÷¢. Þ¶ ïñ¢º¬ìò frame Ýù

my_frm object-ù¢ Close Button ù¤¬ù click ªêò¢î£ô¢ Þò颰ñ¢ event Ý°ñ¢.

System.exit (0); function Ýù¶ Application-ù¤ù¢ Þòè¢èî 祿è¤ù¢ø¶.

ð¤ù¢ my_pan âù¢ø Panel åù¢Á à¼õ£è¢èð¢ð좴 Üî¤ô¢ GridLayout

Ýù¶ Set ªêò¢òð¢ð좮¼è¢è¤ù¢ø¶. Üîù¢ à÷¢ ïñ¢º¬ìò lname, tname, lpass,

tpass Ýè¤ò Object-è÷¢ Þ¬íè¢èð¢ð´è¤ù¢øù. Þï¢îð¢ Panel -¬ù ïñ¢º¬ìò

frame à÷¢ Þ¬í袰ñ¢ ºù¢ BorderLayout object åù¢Á à¼õ£è¢èð¢ð좴 ܶ

frame ¬ìò Layout Ýè Set ªêò¢òð¢ð´è¤ù¢ø¶. ð¤ù¢ùó¢ Panel Object Ýù¶

frameù¢ à÷¢add ªêò¢òð¢ð´è¤ù¢ø¶. ð¤ù¢ùó¢ frame resize ªêò¢òð¢ð좴 show

ªêò¢òð¢ð´ è¤ù¢ø¶.