第五十三道Java小疑点

第五十三道Java小问题

import java.util.concurrent.TimeUnit;class TestWork {volatile int i = 0;void f() throws InterruptedException {while (i == 0)wait();System.out.println("Waken!");}synchronized void g() {i = 1;notifyAll();}}class Test {public static void main(String[] args) throws Exception {final TestWork work = new TestWork();new Thread() {public void run() {try {work.f();} catch (InterruptedException e) {}}}.start();TimeUnit.SECONDS.sleep(1);new Thread() {public void run() {work.g();}}.start();}}

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请问以上程序的输出是: