8、线程休眠 每个对象都有一把锁，sleep不会释放锁； package com.testthread1; public class TestThread3 implements Runnable{ private int ticketNums = 10 ; @Override public void run() { while (true){ if (ticketNums==0){
线程不安全 public class TestThread3 implements Runnable{ private int ticketNums = 10 ; @Override public void run() { while (true){ if (ticketNums==0){ break; } System.out.println(Threa
