Two Threads in Java by Implementing Runnable Interface

class ImplementingRunnableInterface implements Runnable 
           { 
               Thread t; 
               ImplementingRunnableInterface(String n) 
              { 
                  t=new Thread(this,n); 
                  System.out.println("Thread is :"+t); 
                  t.start(); 
              } 
                      public void run() 
                         { 
                        try 
                           { 
                             for(int i=1;i<=5;i++) 
                            { 
                               System.out.println(t.getName()+":"+i); 
                               t.sleep(500); 
                            } 
                                } 
                                      catch(InterruptedException e) 
                                     { 
                                     System.out.println(t.getName()+" is Interrupted"); 
                                     } 
                          } 
            } 
                      class TwoThreads  
                           { 
                           public static void main(String args[]) 
                            { 
                                 ImplementingRunnableInterface k1=new ImplementingRunnableInterface("Java Thread"); 
                                 ImplementingRunnableInterface k2=new ImplementingRunnableInterface("Advanced Java Thread"); 
                            } 
                           }