Java Program to implement Thread

class   A     extends   
Thread                                                                        

      {

                public  void 
run( )                                                                           

                    {

                                for(  int i = 1 ;  
i <= 5  ;    i++  
)

                                                 System.out.println( "   From thread A :  i 
=   "  +  
i  ) ;

                                 System.out.println( " End of thread
A  " 
)  ;

                     }

       }

class    B    extends    
Thread                                                                       

      {

                public  void 
run( )                                                                           

                    {

                                for(  int j = 1 ;  
j <= 5  ;   j++ )

                                                 System.out.println(   "  
From thread B :    j =   "    
+   j   );

                                 System.out.println(  "  
End of thread B   "  )  ;

                      }

      }

class   C   extends   
Thread                                                                          

    {

                public  void 
run( )                                                                           

                    {

                                for(   int  
k = 1   ;    k 
<= 5  ;    k++ 
)

                                                 System.out.println(  " 
From thread C :     k  =  
"    +    k  );

                                 System.out.println(  "  
End of thread C    "   ) ;

                     }

     }

class   ThreadTest

                    {

                                public  static 
void  main (  String  
args[ ] )

                                    {

                                                A    obA  
=    new     A( ) ;               //
new born state

                                                obA.start(
) ;                                      //
runnable state

                               

                                                new   B( ).start( );                            

                                                new   C( ).start( );

                                System.out.println(  " 
End of main thread   "   ) ;

                                      }

                      }