public class ThreadTest {
    private static boolean ready;
    private static int number;
    
    private static class ReaderThread extends Thread {
        /* (non-Javadoc)
         * @see java.lang.Thread#run()
         */
        public void run() {
            while(!ready) {
                Thread.yield();
                System.out.println(number);
            }
        }
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        new ReaderThread().start();
        number = 42;
        ready = false;

    }

}