1.线程锁Lock/ReentrantLock

package com.test.lock;import java.util.concurrent.locks.Lock;import java.util.concurrent.locks.ReentrantLock;//线程锁，通常用于替换synchronized，比synchronized更加面向对象public class LockTest {    static class Outputer{        Lock locks=new ReentrantLock();        //方法1        public void output1(String name){            int len=name.length();            locks.lock();//确保完整输出chenxiaobing后再输出donyanxia            try{                for(int i=0;i