gistfile1.java

public class ThreadedTest { 
    private static boolean ready; 
    private static int number; 
    private static class ReaderThread extends Thread { 
        public void run() { 
            while (!ready) 
                Thread.yield(); 
            System.out.println(number); 
        } 
    } 
    public static void main(String[] args) { 
        new ReaderThread().start(); 
        number = 42; 
        ready = true; 
    } 
}