import static util.MyLogger.log;import static util.ThreadUtils.sleep;public class VolatileFlagMain { public static void main(String[] args) { MyTask task = new MyTask(); Thread t = new Thread(task,"work"); log("runFlag = "+task.runFlag); t.start(); sleep(1000); log("runFlag = false 로 변경 시도"); task.runFlag = false; log("runFlag = " + task..