Synchronize鎖對象

可以對任意的Object對象，進行加鎖
用法比較靈活

package com.bjsxt.base.sync006;/*** 使用synchronized代碼塊加鎖,比較靈活**/ public class ObjectLock {public void method1() {synchronized (this) { // 對象鎖try {System.out.println("do method1..");Thread.sleep(2000);} catch (InterruptedException e) {e.printStackTrace();}}}public void method2() { // 類鎖synchronized (ObjectLock.class) {try {System.out.println("do method2..");Thread.sleep(2000);} catch (InterruptedException e) {e.printStackTrace();}}}private Object lock = new Object();public void method3() { // 任何對象鎖synchronized (lock) {try {System.out.println("do method3..");Thread.sleep(2000);} catch (InterruptedException e) {e.printStackTrace();}}}public static void main(String[] args) {final ObjectLock objLock = new ObjectLock();Thread t1 = new Thread(new Runnable() {@Overridepublic void run() {objLock.method1();}});Thread t2 = new Thread(new Runnable() {@Overridepublic void run() {objLock.method2();}});Thread t3 = new Thread(new Runnable() {@Overridepublic void run() {objLock.method3();}});t1.start();t2.start();t3.start();}}

運行

總結

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