Multiple Threads in Java by Inheritance

class InheritanceMethod extends Thread 
        { 
            InheritanceMethod(String n) 
                { 
                super(n); 
                System.out.println("Thread is :"+getName()); 
                } 
                   public void run() 
                       { 
                       try 
                        { 
                           for(int i=1;i<=5;i++) 
                           { 
                              System.out.println(getName()+":"+i); 
                              sleep(500); 
                           } 
                             } 
                                     catch(InterruptedException e) 
                                    { 
                                      System.out.println(getName()+" is Interupted"); 
                                    } 
                      } 
         } 
                       class MultipleThreadsInheritance  
                          { 
                              public static void main(String args[]) 
                                { 
                                InheritanceMethod t1=new InheritanceMethod("AWT Thread"); 
                            InheritanceMethod t2=new InheritanceMethod("Swing Thread"); 
                            t1.start(); 
                            t2.start(); 
                            } 
                         }