package com.zmd.study.rubbish;

import javax.naming.Name;

/**
 * @ClassName RubbishTest
 * @projectName: object1
 * @author: Zhangmingda
 * @description： 测试干预垃圾回收
 * date: 2021/4/6.
 */
public class RubbishTest {
    private String name;
    //构造方法
    public RubbishTest(String name) {
        this.name = name;
    }

    //重写finalize增加输出便于观察是否自动回收了对象
    @Override
    protected void finalize() throws Throwable {
        System.out.println(name + "要被回收了");
        super.finalize();
    }
    //测试创建多个对象，看垃圾有没有自动回收
    public static void main(String[] args) {
        for(int i=0;i<1000; i++) {
            new RubbishTest("name" + i);
            System.out.println("循环打印" + "name" + i);
            //强制垃圾回收，当没有变量引用上面new出来的对象，就会调用finalize()方法回收内存
            System.gc();
            //Runtime.getRuntime().gc();

} } }