倩倩的test啦啦啦

最新推荐文章于 2025-11-19 17:54:33 发布

原创最新推荐文章于 2025-11-19 17:54:33 发布 · 540 阅读

CC 4.0 BY-SA版权

本文介绍了一个使用Java实现的数据更新机制示例。该示例包括两个类：Function类负责初始化和更新数据；Mine类用于存储节点信息。Function类通过递归方式更新Mine类实例的状态，并复制指定节点。

package com.qian.main;

import java.util.ArrayList;

public class Function {
    ArrayList<Mine> data = new ArrayList<Mine>();

    public void init()
    {
        System.out.println("初始化");
        data.add(new Mine("a",1,"","b","c"));
        data.add(new Mine("b",1,"","d","e"));
        data.add(new Mine("c",1,"","f","g"));
        data.add(new Mine("d",1,"","",""));
        data.add(new Mine("e",1,"","",""));
        data.add(new Mine("f",1,"","",""));
        data.add(new Mine("g",1,"","",""));

    }

    public void UpdateData(String name)
    {
        System.out.println("更新"+name);
        for(int i=0;i<data.size();i++)
        {
            Mine mine = data.get(i);
            if(mine.name.equals(name))
            {
                mine.status=0;
                //if(!mine.father.equals(""))
                    //UpdateData(mine.father);
//              Mine insertNew = new Mine(name, 1, mine.father, mine.leftchild, mine.rightchild);       
//              System.out.println(insertNew);
                String father=mine.father;
                String leftchild=mine.leftchild;
                String rightchild=mine.rightchild;
                String newName=name;
                data.add(new Mine(name,1,father,leftchild,rightchild));
                return;
            }   
        }
    }

    public static void main(String[] args)
    {
        Function fun = new Function();
        fun.init();
        fun.UpdateData("b");
        System.out.println("出来");
        System.out.println(fun.data);
        for(int i=0;i< fun.data.size();i++)
        {
            //System.out.println(i);
            if(fun.data.get(i).status==1)
            {
                System.out.print(fun.data.get(i).name+" ");
            }
        }
    }

}

package com.qian.main;

public class Mine {
    public String name;
    public int status=0;//状态，1表示有效，0表示无效
    public String father;
    public String leftchild;
    public String rightchild;

    public Mine()
    {

    }
    public Mine(String name,int status,String father, String leftchild,String rightchild)
    {
        this.name=name;
        this.status=status;
        this.father=father;
        this.leftchild=leftchild;
        this.rightchild=rightchild;
    }
}