isAlive() and Join() Example in Java By Implementing Runnable Interface

class isAliveAndJoin1  implements Runnable 
       { 
           Thread t; 
           isAliveAndJoin1(String n) 
              { 
              t=new Thread(this,n); 
              System.out.println("Thread is :"+t); 
              } 
              public void run() 
                 { 
                     try 
                       { 
                          for(int i=1;i<=5;i++) 
                            { 
                          System.out.println(t.getName()+":"+i); 
                          t.sleep(200); 
                            } 
                       }                  
                           catch(InterruptedException e) 
                                        { 
                                   System.out.println(t.getName()+" is Interrupted"); 
                                } 
                 } 
       } 
                     class isAliveAndJoin2 implements Runnable 
                     { 
                          Thread t; 
                          isAliveAndJoin2(String n) 
                           { 
                               t=new Thread(this,n); 
                               System.out.println("Thread is :"+t); 
                           } 
                                       public void run() 
                                    { 
                                      try 
                                        { 
                                        for(int i=1;i<=10;i++) 
                                            { 
                                               System.out.println(t.getName()+":"+i); 
                                               t.sleep(200); 
                                             } 
                                             } 
                                              catch(InterruptedException e) 
                                                     { 
                                                     System.out.println(t.getName()+" is Interrupted"); 
                                                     } 
                                       } 
                         } 
                                         class isAliveAndJoin  
                                           { 
                                               public static void main(String args[]) 
                                         { 
                                            isAliveAndJoin1 k1=new isAliveAndJoin1("AWT Thread"); 
                                            isAliveAndJoin2 k2=new isAliveAndJoin2("Swing Thread"); 
                                            k1.t.start(); 
                                            k2.t.start(); 
                                            while(k1.t.isAlive() && k2.t.isAlive()) 
                                                  { 
                                                     try   
                                                       { 
                                                      Thread.sleep(400); 
                                                       } 
                                                     catch(InterruptedException e) 
                                                            { 
                                                             } 
                                                              try 
                                                             { 
                                                                k1.t.join(); 
                                                                k2.t.join(); 
                                                             } 
                                                                catch(InterruptedException e) 
                                                                        { 
                                                                        } 
                                                  } 
                                                                                  if(!k1.t.isAlive()) 
                                                              System.out.println("AWT Thread is Over"); 
                                                              if(!k2.t.isAlive()) 
                                                              System.out.println("Swing Thread is Over"); 
                                        } 
                                           }