Thread in java

 class NamedThread extends Thread
 {
   private String name;  // The name of this thread.
   NamedThread(String name)
   {  // Constructor gives name to thread.
      super(name);
      this.name = name;
      System.out.println(this);
      start();
   }
   public void run()
   {  // The run method prints a message to standard output.
         for (int i=1; i<=10;i++)
              {
                  System.out.println("Greetings from : "+name);
              }
    System.out.println("End of child thread!");


   }
}

class ExtendThread
{
public static void main(String args[])
{
    new NamedThread("Child Thread");



    System.out.println("Thread has been started.");
    for (int i=1; i<=10;i++)
    {
        System.out.println("Main Thread ");
    }
    System.out.println("End of main thread!");
}
}