dreamoftch的专栏

分别锁定this , obj1 , obj2 三个对象 public class Resource2 { int limit = 1000; private Food obj1 = new Food(); private Food obj2 = new Food(); public synchronized void f() {//锁定this for (int i

Java:使用synchronized和Lock对象获取对象锁     下面使用ReentrantLock这个锁来实现加锁功能：     package com.tch.test.concurrent; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; imp