Java program to create Label, RadioButton, CheckBox & Button

/* Label, RadioButton, CheckBox & Button */

import java.awt.*;    

class MyList    
{    
 MyList()
 {    
  Frame f= new Frame("Label, CheckBox and Button");   
 
  //--------------- RadioButton -------------------------
  CheckboxGroup cbg = new CheckboxGroup();
  
  Checkbox checkBox1 = new Checkbox("C++", cbg, false);    
  checkBox1.setBounds(100,250, 50,50);   
  Checkbox checkBox2 = new Checkbox("Java", cbg, true);    
  checkBox2.setBounds(100,300, 50,50);    
  
  f.add(checkBox1);    
  f.add(checkBox2);
  
  //--------------- Label -------------------------
  Label l;  
  l = new Label("Label");  
  l.setBounds(100,50, 100,30);
  f.add(l);
  
  //--------------- CheckBox -------------------------
  Checkbox checkbox1 = new Checkbox("Python");  
        checkbox1.setBounds(100,100, 100,50);  
        Checkbox checkbox2 = new Checkbox("Java", true);  
        checkbox2.setBounds(100,150, 100,50);  
        f.add(checkbox1);  
        f.add(checkbox2); 
  
  //--------------- Button -------------------------
  Button b=new Button("Button");  
  b.setBounds(100,200,100,50);  
  f.add(b);
  
  f.setSize(400,400);    
  f.setLayout(null);    
  f.setVisible(true);    
 }        
} 

class Main
{
 public static void main(String args[])    
 {    
  new MyList();    
 }
}