package test;import java.util.ArrayList;import java.util.Scanner;public class MirrorTelBook {    // 声明存储名字列表    ArrayList
    
      nameList = new ArrayList
     
      ();    // 声明存储电话号码列表    ArrayList
      
        numberList = new ArrayList
       
        ();    public static Scanner in = new Scanner(System.in);    public static void main(String[] args) {        MirrorTelBook instance = new MirrorTelBook();        do {            System.out.println("欢迎使用镜子电话簿!");            int operation = 0;            System.out.println("功能选择：1、添加号码 2、查询号码 0、结束");            operation = in.nextInt();            switch (operation) {                case 0:                    break;                case 1:                    instance.saveNum();                    break;                case 2:                    instance.fetchNum();                    break;            }            System.out.println("是否还要继续? (yes/no)");        } while (in.next().equals("yes"));        System.exit(0);        System.out.print("结束！");    }    public void saveNum() {        do        {            System.out.println("姓名?");            String n = in.next();            nameList.add(n);            System.out.println("联系方式？");            String p = in.next();            numberList.add(p);            System.out.println("是否还要继续保存? (yes/no)");        } while (in.next().equals("yes"));    }    public void fetchNum() {        do {            System.out.println("请输入查询名字！");            // 如果为0 表示没找到 1 表示找到            int flag = 0;            String name = in.next();            for (int i = 0; i < nameList.size(); i++) {                if (nameList.get(i).equals(name)) {                    System.out.println(String.format("%s 电话号码为：%s!", name, numberList.get(i)));                    flag = 1;                    break;                }            }            if (flag == 0) {                System.out.print(String.format("没有找到%s电话号码！", name));            }            System.out.println("是否还要继续查找? (yes/no)");        } while (in.next().equals("yes"));    }}