package booktest;

import java.util.Scanner;

public class book {

public static void main(String[] args) {

// TODO Auto-generated method stub

boolean n = true;

String[] bookname = new String[] {"高數","數據結構"};

while(n)

{

try {

Scanner input = new Scanner(System.in);

System.out.println("輸入命令：1-按照名稱查找圖書；2-按照序號查找圖書");

int number = input.nextInt();

if(number == 1){

System.out.println("輸入圖書名稱：");

Scanner input1 = new Scanner(System.in);

String a = input1.nextLine();

for(String b:bookname) {

if(b.contains(a)) {

System.out.println("book:"+ a);

break;

}

else {

System.out.println("圖書不存在！");

break;

}

}

}

else if(number ==2){

System.out.println("輸入圖書序號：");

int c = input.nextInt();

if(c == 0) {

System.out.println("book:" + bookname[c]);

break;

}

else if(c == 1) {

System.out.println("book:" + bookname[1]);

break;

}

else {

System.out.println("圖書不存在！");

}

}

}catch(Exception e){

System.out.println("命令輸入錯誤！請根據提示輸入數字命令！");

continue;

}

}

}

}