摘要：一.饿汉式，线程安全的。 package com.cal; public class SingleTon { //1.私有的构造方法，不应许new对象 private SingleTon(){} //2.自己提供一个私有的静态对象 private static SingleTon instance 阅读全文

摘要：package com.cal; class Sock { static Object A = new Object(); static Object B = new Object();} class MyThread3 implements Runnable { private boolean f 阅读全文

摘要：package com.cal; public class TicketsThread { public static void main(String[] args) { T tt=new T(); Thread thread=new Thread(tt,"窗口1"); Thread thread 阅读全文