聯系人

import java.util.*; class TelPeople {	static boolean i = true;	String[] name = new String[9];	String[] gender = new String[9];	int[] age = new int[9];	long[] number = new long[9];	long[] ID = new long[9];		//--------顯示界面-------------------	public void display(){		System.out.PRintln("--------------------電話本管理---------------");		System.out.println("/t1.新增/t2.根據姓名查找/t3.查看所有/t4.退出");		System.out.println("--------------------電話本管理---------------");	}	//--------------------主界面選擇操作---------------	public void select(){				while(i){			i = true;			System.out.println("請選擇業務：");			Scanner input = new Scanner(System.in);			int select = input.nextInt();			switch(select){			case 1:				System.out.println("------添加至聯系人------");				add();break;			case 2:				System.out.println("------根據姓名查找------");				nameRead();break;			case 3:				System.out.println("-----查看所有聯系人-----");				read();break;			case 4:				System.out.println("--------退出系統--------");				exit();break;			default:				System.out.println("--------------您的輸入有誤--------------");                	break;    			}		}	}	//------------退出方法-------------	public void exit() {		// TODO Auto-generated method stub		i = false;	}	//----------查看所有聯系人----------	public void read() {		// TODO Auto-generated method stub		for(int i = 0;i <name.length;i++){			if(name[i] != null){				System.out.println("姓名："+name[i]+"性別："+gender[i]+"年齡："+age[i]+"手機號："+number[i]+"身份證："+ID[i]);			}		}	}	//----------根據姓名查看聯系人------------	public void nameRead() {		// TODO Auto-generated method stub		System.out.println("請輸入要查找的聯系人：");		Scanner input = new Scanner(System.in);		String inName = input.next();		//int num = 0;		boolean flag = false;		for(int i = 0; i < name.length;i++){			if(inName.equals(name[i])){				System.out.println("姓名："+name[i]+"性別："+gender[i]+"年齡："+age[i]+"手機號："+number[i]+"身份證："+ID[i]);				flag = false ;				break;			}else{				flag = true;			}		}		if(flag){			System.out.println("沒有找到");		}					}	//-----------添加聯系人-------------	public void add() {		int num = 0;		for(int i =0;i < name.length;i++){			if(name[i] != null){				num++;			}		}		System.out.println("姓名：");		Scanner input = new Scanner(System.in);		name[num] = input.next();		System.out.println("性別：");		gender[num] = input.next();		System.out.println("年齡：");		age[num] = input.nextInt();		System.out.println("手機號：");		number[num] = input.nextInt();		System.out.println("身份證：");		ID[num] = input.nextInt();        System.out.println("姓名:"+name[num]+"，"+"性別:"+gender[num]+"，"+"年齡:"+age[num]+"，"+"電話:"+number[num]+"，"+"，"+"身份證號:"+ID[num]);  		System.out.println("/n"+"添加成功");			}	} public class TelBook{	 public static void main(String[] args) {		TelPeople p = new TelPeople();		p.display();		p.select();			} }