public class StoppHovedprogram {
    public static void main(String[ ] args) {
        new StoppHovedprogram();
    }
    
   volatile  boolean stopp = false;
    
    StoppHovedprogram ( ) { 
     
          Runnable stp = new StoppRun();
          new Thread(stp). start();
          Thread.yield();
          try {Thread.sleep(1);}
            catch(Exception e) { }
          
          stopp = true;
           System.out.println ("Main terminerer");
          
    }

    class StoppRun implements Runnable {
    
       public void run(){
          while( ! stopp) {
              System.out.println ("Jeg vil ikke stoppe");
          }   
       } 
    } 

}