Program to create a Thread by Extending from Thread class in Java

//  Program to create a Thread by Extending from Thread class.
class A extends Thread
{
public A( String s )
{
 super(s);
}
public void run()
{
 for( int i=1 ; i<=15 ; i++)
 {
  System.out.println( getName() );
 }
}
}
class Thread01
{
public static void main( String args[ ] )
{
 A a1 = new A("Java");
 A a2 = new A("Programming");
 A a3 = new A("Examples");
 a1.start();
 a2.start();
 a3.start();
 System.out.println(" Hello !!! ");
}
}

Output:
Java
Java
Java
Java
Java
Java
Java
Java
Java
Programming
Programming
Programming
Java
Examples
Examples
Examples