package net.jcip.examples; /** * NoVisibility *
* Sharing variables without synchronization * * @author Brian Goetz and Tim Peierls */ public class NoVisibility { 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; } }