echo的博客

????? /** * */ package copydemo; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; /** * @author dso

java的线程唤醒与等待： package test; class Info{ private String name; private String content; private boolean flag=true; public synchronized void set(String name,String content) { if(flag==false){ tr

代码如下：class mytype{ private String name; private String people; private int age; public mytype(String name,String people,int age){ this.name=name; this.people=people; this.age=age;

代码如下： interface Tool{ void work(); } class realTool implements Tool{//核心模块 public void work(){ System.out.println("正在加热(核心步骤)"); } } class proxyTool implements Tool{//代理模块 public void pre

//工厂方法demo interface Fruit{ void Eat(); } class Apple implements Fruit{ public void Eat(){ System.out.println("我在吃苹果"); } } class Banana implements Fruit{ public void Eat(){ System.o