RunTime.getRunTime().addShutdownHook的用法

package com.spring.sxf.study.springtradedao.java.hook;

/**
 * 打印结果:
 * JVM开始运行
 * JVM开始运行结束
 * ==钩子函数执行开始==
 * 服务名字:远程服务
 * 服务代码:abc
 * ==钩子函数执行结束==
 */
public class HookTest {

    private static Server server;

    public static void main(String[] args) {
        //JVM实例开始运行
        System.out.println("JVM开始运行");
        server=new Server("远程服务","abc");
        //添加钩子函数
        Runtime.getRuntime().addShutdownHook(new Thread(){
            @Override
            public void run() {
                System.out.println("==钩子函数执行开始==");
                System.out.println("服务名字:"+server.getName());
                System.out.println("服务代码:"+server.getServer());
                System.out.println("==钩子函数执行结束==");
            }
        });
        //JVM实例关闭
        System.out.println("JVM开始运行结束");
    }

}

/**
 * 测试服务
 */
class Server{

    private String name;
    private String server;

    public Server(String name, String server) {
        this.name = name;
        this.server = server;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getServer() {
        return server;
    }

    public void setServer(String server) {
        this.server = server;
    }
}