Java creat pro

Create AWT Checkbox

import java.applet.Applet;

import java.awt.Checkbox;

public class CreateCheckBox extends Applet

{

public void init()

{

Checkbox checkBox1 = new Checkbox();         

checkBox1.setLabel("My Checkbox 1"); Checkbox checkbox2 = new Checkbox("My Checkbox 2");

add(checkBox1);

add(checkbox2);

   }

}

Create Checked Checkbox

import java.applet.Applet;

import java.awt.Checkbox;

public class CreateCheckedCheckBox extends Applet

{

public void init()

{

Checkbox checkBox1 = new Checkbox("My Checkbox 1");  Checkbox checkbox2 = new Checkbox("My Checkbox 2", true);

add(checkBox1);

add(checkbox2);

    }

}

Determine If The Checkbox Is Enabled

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.Checkbox;

public class DetermineIfCheckboxEnabled extends Applet

{      

boolean isCheckbox1Enabled;

boolean isCheckbox2Enabled;

public void init()

{

Checkbox Checkbox1 = new Checkbox("Checkbox 1");

Checkbox Checkbox2 = new Checkbox("Checkbox 2");     

add(Checkbox1);

add(Checkbox2);     

Checkbox1.setEnabled(false);

isCheckbox1Enabled = Checkbox1.isEnabled();

isCheckbox2Enabled = Checkbox2.isEnabled();         

} 

public void paint(Graphics g)

{

g.drawString("Is Checkbox 1 enabled? " + isCheckbox1Enabled, 10,50);

g.drawString("Is Checkbox 2 enabled? " + isCheckbox2Enabled, 10,70);

  }

}

Determine If The Checkbox Is Visible

import java.applet.Applet;

import java.awt.Graphics;

import java.awt.Checkbox;

public class DetermineIfCheckboxVisible extends Applet

{

boolean isCheckbox1Visible;

boolean isCheckbox2Visible;

public void init()

{

Checkbox Checkbox1 = new Checkbox("Checkbox 1");

Checkbox Checkbox2 = new Checkbox("Checkbox 2");

add(Checkbox1);

add(Checkbox2);       

Checkbox2.setVisible(false);           

isCheckbox1Visible = Checkbox1.isVisible();

isCheckbox2Visible = Checkbox2.isVisible();            

}     

public void paint(Graphics g)

{

g.drawString("Is Checkbox 1 visible? " + isCheckbox1Visible, 10,50);

g.drawString("Is Checkbox 2 visible? " + isCheckbox2Visible, 10,70);

  }

}

Disable Checkbox

import java.applet.Applet;

import java.awt.Checkbox;

public class DisableCheckboxExample extends Applet

{

public void init()

{

Checkbox Checkbox1 = new Checkbox("Checkbox 1");

Checkbox Checkbox2 = new Checkbox("Checkbox 2");

add(Checkbox1);

add(Checkbox2);

Checkbox2.setEnabled(false);

   }

}

Get Checkbox State

import java.applet.Applet;

import java.awt.Checkbox;

import java.awt.Graphics; 

public class GetCheckboxState extends Applet

{

Checkbox checkBox1 = null;

Checkbox checkBox2 = null;   

public void init()

{

checkBox1 = new Checkbox("My Checkbox 1");checkBox2 = new Checkbox("My Checkbox 2", true);

add(checkBox1);

add(checkBox2);                             

}   

public void paint(Graphics g)

{

g.drawString("Is checkbox 1 selected? " + checkBox1.getState(), 10, 80);

g.drawString("Is checkbox 2 selected? " + checkBox2.getState(), 10, 100);

  }

}

Handle Checkbox Event

import java.applet.Applet;

import java.awt.Checkbox;

import java.awt.Graphics;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

public class HandleCheckboxEvent extends Applet implements ItemListener

{ 

Checkbox java = null;

Checkbox vb = null;

Checkbox c = null;     

public void init()

{

java = new Checkbox("Java");

vb = new Checkbox("Visual Basic");

c = new Checkbox("C");

add(java);

add(vb);

add(c);

java.addItemListener(this);

vb.addItemListener(this);

c.addItemListener(this);

}     

public void paint(Graphics g)

{           

g.drawString("Java: " + java.getState(),10,80);

g.drawString("VB: " + vb.getState(), 10, 100);

g.drawString("C: " + c.getState(), 10, 120);                 

} 

public void itemStateChanged(ItemEvent ie)

{

repaint();             

   }

}