ThreadPriority.java

class A extends Thread
{
    public void run( )
    {
         System.out.println("threadA started");
         for(int i=1;i<=4;i++)
         {
           System.out.println("\tFrom Thread A : i="+i);
         }
         System.out.println("Exit from A");
    }
}
class B extends Thread
{
   public void run( )
   {
       System.out.println("threadB started");
       for(int j=1;j<=4;j++)
       {
          System.out.println("\tFrom Thread B : j="+j);
       }
       System.out.println("Exit from B");
   }
}
class C extends Thread
{
   public void run( )
   {
       System.out.println("threadC started");
       for(int k=1;k<=4;k++)
       {
          System.out.println("\tFrom Thread C : k="+k);
   }
          System.out.println("Exit from C");
       }
}
class ThreadPriority
{
   public static void main(String args[ ])
   {
      A threadA= new A( );
      B threadB= new B( );
      C threadC= new C( );

      threadC.setPriority(Thread.MAX_PRIORITY);
      threadB.setPriority(threadA.getPriority( )+1);
      threadA.setPriority(Thread.MIN_PRIORITY);

      System.out.println("Start thread A");
      threadA.start( );

      System.out.println("Start thread B");
      threadB.start( );

      System.out.println("Start thread C");
      threadC.start( );

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