notify()唤醒线程，不会立即释放锁对象，需要等到当前同步代码块都执行完后才能释放锁对象
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notify()唤醒线程，不会立即释放锁对象，需要等到当前同步代码块都执行完后才能释放锁对象
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notify()喚醒線程，不會(huì)立即釋放鎖對(duì)象，需要等到當(dāng)前同步代碼塊都執(zhí)行完后才能釋放鎖對(duì)象?
public class Test3 {public static void main(String[] args) {List<String> list = new ArrayList<>();Thread thread1 = new Thread(new Runnable() {@Overridepublic void run() {synchronized (list) {if (list.size() != 5) {System.out.println("線程1開始等待" + System.currentTimeMillis());try {list.wait();} catch (InterruptedException e) {e.printStackTrace();}System.out.println("線程1被喚醒：" + System.currentTimeMillis());}}}}) {};Thread thread2 = new Thread(new Runnable() {@Overridepublic void run() {synchronized (list) {for (int i = 0; i < 10; i++) {list.add("data" + i);System.out.println("線程2添加第" + i + "個(gè)數(shù)據(jù)");if (list.size() == 5) {list.notify();System.out.println("線程2已經(jīng)發(fā)現(xiàn)喚醒通知");}try {Thread.sleep(1000);} catch (InterruptedException e) {e.printStackTrace();}}}}}) {};thread1.start();try {Thread.sleep(500);} catch (InterruptedException e) {e.printStackTrace();}thread2.start();} }總結(jié)
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