exercise1.java

这是一个用JAVA编写的简单通讯录

/*
 * exercise1.java
 *
 * Created on 2000年9月18日, 下午3:34
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

/**
 *
 * @author qjxy
 */
import java.io.*;
public class exercise1 {
    
    public static void main(String[] args)throws Exception{
        int num=-1;
        int sel;

        while(num!=0){

        list1:
            
            for(num=0;num<5;num++){
                System.out.println("*******封面*******");
                System.out.println("1.显示所有组员");
                System.out.println("2.输入组员号码查询");
                System.out.println("3.关于……");
                System.out.println("4.退出");
                System.out.println("******************");
                BufferedReader buf1 = new BufferedReader(new InputStreamReader(System.in));
                num = Integer.parseInt(buf1.readLine());
                switch(num){    
                    case 1:
                        System.out.println("1.显示所有组员");
                        System.out.println("组员：1.Tom  2.Jay  3.Lin  4.Sea");
                        continue list1;
                    case 2:
                        System.out.println("2.输入组员号码查询");
                        list2: 
                            for(sel=0;sel<5;sel++){
                            BufferedReader buf2 = new BufferedReader(new InputStreamReader(System.in));
                            sel = Integer.parseInt(buf2.readLine());
                            switch(sel){
                                case 1:
                                    System.out.println("1.tom");
                                    continue list2;
                                case 2:
                                    System.out.println("2.Jay");
                                    continue list2;
                                case 3:
                                    System.out.println("3.Lin");
                                    continue list2;
                                case 4:
                                    System.out.println("4.Sea");
                                    continue list2;
                                case 0:
                                    continue list1;
                            }
                        }
                    case 3:
                        System.out.println("制作者：");
                        continue list1;
                    case 4:
                        break;
                }
            }
        }
    }
}