import java.util.Scanner;
public class Book {
/**
* @param args
*/
public static void main(String[] args) {
// TODO Auto-generated method stub
Scanner input=new Scanner(System.in);
System.out.println("欢迎来到书库");
//定义图书数组
final int [] booknum ={1,2,3,4,5};
final String [] bookname={"c++","java","计算机基础","汇编语言","算法"};
//展示编号和图书
for(int i=0;i<5;i++)
System.out.println(booknum[i]+"\t"+bookname[i]+"\t");
//选择方式
System.out.println("请输入查询方式的编号!1.按照编号查询 2.按照书名查询");
try{
String number=input.next();
//进行选择
switch(number){
case "1": //1编号查询
System.out.println("请输入编号");
nums(bookname);
break;
case "2": //2书名查询
System.out.println("请输入书名");
names(bookname);
break;
default: //输入错误
System.out.println("输入错误,请输入正确数字");
}
}catch(Exception aaa){
System.out.println(aaa.getMessage());
}
}
//编号查询方法
public static void nums(String [] bookname){
Scanner in=new Scanner(System.in);
try{
int a=in.nextInt();
System.out.println("给你"+bookname[a-1]);
}catch(Exception a){
System.out.println("无此书");
}
}
//名字查询方法
public static void names(String [] bookname)
throws Exception{
Scanner in=new Scanner(System.in);
String b=in.nextLine();
for(int i=0;i<bookname.length;i++){
if (b.equals(bookname[i]))
System.out.println("给你"+bookname[i]);
}throw new Exception("暂无此书");
}
}