GRID LAYOUT PROGRAM IN JAVA

import java.awt.*;

import java.applet.*;

/**

<appletcode=grid.class width=500 height=500>

</applet>

*/

public class grid extends Applet

{

Button b1,b2,b3,b4;

String result;

public void init()

{

b1=new Button(“one”);

b2=new Button(“two”);

b3=new Button(“three”);

b4=new Button(“four”);

setlayout(new gridLayout(2,2,10,10));

add(b1);

add(b2);

add(b3);

add(b4);

}

}

CARD LAYOUT PROGRAM IN JAVA

import java.awt.*;

import java.applet.*;

import java.awt.event.*;

/**

<APPLET CODE=cardlayout.class  WIDTH=200  HEIGHT=200>

</APPLET>

*/

public class cardlayout extends Applet implements ActionListener

{

Checkbox win98,winnt,solaris,mac;

Panel oscards.winpan,otherpan;

CardLayout card;

Button win,other;

public void init()

{

win=new Button(“windows”);

other=new Button(“others”);

add(win);

add(other);

card=newCardLayot(10,10);

oscards=new Panel();

oscards.SetLayout(card);

win98=new Checkbox(“windows 98”);

winnt=new Checkbox(“windowsnt”);

solaris=new Checkbox(“solaris”);

mac=new Checkbox(“macos”);

winpan=new Panel();

winpan.add(win98);

winpan.add(winnt);

otherpan=new Panel();

otherpan=add(solaris);

otherpan.add(mac);

oscards.add(winpan,”windows”);

oscards.add(otherpan,”other”);

add(oscards);

win.addActionListener(this);

other.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

if(e.getSource()==win)

{

card.show(oscards,”windows”);

}

else

{

card.show(oscards,”other”);

}

}

}

BORDER LAYOUT PROGRAM IN JAVA

import java.awt.*;

import java.applet.*;

/**

<applet code=borderlayout.class  width=500  height=500>

</applet>

*/

public class borderlayout extends Applet

{

Button b1,b2,b3.b4;

String result;

public void init()

{

b1=new Button(“one”);

b2=new Button(“two);

b3=new Button(“three”);

b4=new Button(“four”);

setLayout(new BorderLayout(10,10));

add(“North”,b1);

add(“East”,b2);

add(“West”,b3);

add(“South”,b4);

add(“Center”,newTextArea());

}

}

FLOW LAYOUT PROGRAM IN JAVA

import java.awt.*;

import java.applet.*;

import java.awt.event.*;

/**

<appletcode=flowlayout.class width=500 height=500>

</applet>

*/

public class flowlayout extends Applet implements ActionListener

{

Button b1,b2,b3,b4;

String result;

public void init()

{

b1=new Button(“one”);

b2=new Button(“two”);

b3=new Button(“three”);

b4=new Button(“four”);

setLayout(new FlowLayout(FlowLayput.LEFT,10,10));

b1.addActionListener(this);

b2.addActionListener(this);

b3.addActionListener(this);

b4.addActionListener(this);

add(b1);

add(b2);

add(b3);

add(b4);

}

public void actionPerformed(ActionEvent e)

{

String str=e.getActionCommand();

if(str.equals(“one”))

{

result=”YOU CLICKED BUTTON ONE”;

repaint();

}

else if(str.equals(“two”))

{

result=”YOU CLICKED BUTTON TWO”;

repaint();

}

else if(str.equals(“three”))

{

result=”YOU CLICKED BUTTON THREE”;

repaint();

}

else

{

result=”YOU CLICKED BUTTON FOUR”;

repaint();

}

}

public void paint()

{

g.drawString(result,50,350);

}

}

LABEL,BUTTON,TEXT FIELD AND TEXT AREA PROGRAM IN JAVA

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

/**

<applet code=”LabelButtonDemo.class” width=500 height=500>

</applet>

*/

public class LabelButtonDemo extends Applet implements ActionListener

{

Label l;

Button b1;

String str;

FlowLayout f;

TextField t;

TextArea ta;

public void init()

{

f=new FlowLayout(FlowLayout.CENTER,240,18);

setLayout(f);

l=new Label(“Label”);

l.setBackground(color.gray);

l.setForeground(color.white);

t=new TextField(“Text”,20);

ta=new TextArea(“Welcome\nTo\nTextArea”,10,50,TextArea.SCROLLBARS_BOTH);

b1=new Button(“click”);

b1.addActionListener(this);

add(l);

add(b1);

add(t);

add(ta);

}

public void actionPerformed(ActionEvent e)

{

str=e.getActionCommand();

if(str==”click”)

{

l.setText(“I am Label”);

ta.append(“\nButton Clcked”);

t.setText(“Button Clicked”);

}}}

SCROLLBAR PROGRAM IN JAVA

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

/**

<applet code=”ScrollDemo.class” width=500 height=500>

</applet>

*/

public class ScrollDemo extends Applet implements AdjustmentListener

{

Scrollbar red,green,blue;

Color c;

Object o;

public void init();

{

red=new Scroll(Scrollbar.HORIZONTAL,1,0,1,255);

green=new Scroll(Scrollbar.HORIZONTAL,1,0,1,255);

blue=new Scroll(Scrollbar.HORIZONTAL,1,0,1,255);

red.addAdjustmentListener(this);

green.addAdjustmentListener(this);

blue.addAdjustmentListener(this);

add(red);

add(green);

add(blue);

}

public void adjustmentValueChanged(AdjustmentEvent e)

{

c=new Color(red.getValue(),blue.getValue(),green.getValue());

setBackground(c);

}

}

CHECK BOX AND CHECKBOXGROUP PROGRAM IN JAVA

import java.applet.*;

import java.awt.*;

import java.awt.event.*;

/**<applet code=”CheckboxDemo.class” width=500 height=500>

</applet>

*/

public class CheckboxDemo extends Applet implements ItemListener

{

Color color;

Font f;

Checkbox fc1;

Checkbox fc2;

Checkbox fc3;

Checkbox fs1;

Checkbox fs2;

Checkbox fs3;

Checkbox fst1;

Checkbox fst2;

Checkbox fst3;

Checkbox cb1;

Checkbox cb2;

Checkbox cb3;

CheckboxGroup c1;

CheckboxGroup c2;

CheckboxGroup c3;

Object o;

public void init()

{

c1=new CheckboxGroup();

c2=new CheckboxGroup();

c3=new CheckboxGroup();

cb1=new Checkbox(“c1”,null,false);

cb2=new Checkbox(“c2”,null,false);

cb3=new Checkbox(“c3”,null,true);

fc1=new Checkbox(“RED”,c1,false);

fc2=new Checkbox(“GREEN”,c1,false);

fc3=new Checkbox(“BLUE”,c1,false);

fs1=new Checkbox(“15”,c2,false);

fs2=new Checkbox(“25”,c2,false);

fs3=new Checkbox(“35”,c2,false);

fst1=new Checkbox(“BOLD”,c3,false);

fst2=new Checkbox(“ITALIC”,c3,false);

fst3=new Checkbox(“PLAIN”,c3,false);

fc1.addItemListener(this);

fc2.addItemListener(this);

fc3.addItemListener(this);

fst1.addItemListener(this);

fst2.addItemListener(this);

fst3.addItemListener(this);

fs1.addItemListener(this);

fs2.addItemListener(this);

fs3.addItemListener(this);

cb1.addItemListener(this);

cb2.addItemListener(this);

cb3.addItemListener(this);

add(fc1);

add(fc2);

add(fc3);

add(fs1);

add(fs2);

add(fs3);

add(fst1);

add(fst2);

add(fst3);

add(cb1);

add(cb2);

add(cb3);

}

public void itemStateChanged(ItemEvent e)

{

o=e.getItemSelectable();

if(o==fc1)

{

color=Color.red;

repaint();

}

if(o==fc2)

{

color=Color.green;

repaint();

}

if(o==fc3)

{

color=Color.blue;

repaint();

}

if(o==fs1)

{

f=new Font(“TimesNewRoman”,Font.BOLD,15);

repaint();

}

if(o==fs2)

{

f=new Font(“TimesNewRoman”,Font.BOLD,25);

repaint();

}

if(o==fs3)

{

f=new Font(“TimesNewRoman”,Font.BOLD,35);

repaint();

}

if(o==fst1)

{

f=new Font(“TimesNewRoman”,Font.BOLD,15);

repaint();

}

if(o==fst2)

{

f=new Font(“TimesNewRoman”,Font.ITALIC,25);

repaint();

}

if(o==fst3)

{

f=new Font(“TimesNewRoman”,Font.PLAIN,35);

repaint();

}

if(o==cb1)

{

repaint();

}

if(o==cb2)

{

repaint();

}

if(o==cb3)

{

repaint();

}

}

public void paint(Graphics g)

{

g.setFont(f);

g.setColor(color);

g.drawString(“WELCOME TO APPLET”,0,200);

g.drawString(“Chechbox1 state”+cb1.getState(),0,300);

g.drawString(“Chechbox2 state”+cb2.getState(),0,380);

g.drawString(“Chechbox3 state”+cb3.getState(),0,450);

}

}