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8、线程休眠
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){3、并发问题
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