TestPriority

class TestPriority{
   public static void main(String args[]){
      Thread catThread=new ExThread("catThread",50);
      Thread dogThread=new ExThread("dogThread",15);
      catThread.setPriority(7);
      dogThread.setPriority(1);
      catThread.start();
      dogThread.start();
   }
}
class ExThread extends Thread{
   private int num;
   public ExThread(String str,int n){
      super(str);
      num=n;
   }
   public void run(){
      for(int i=0;i<num;i++){
         System.out.print(getName()+"");
      }
   }
}