package?異常練習;
import?java.util.Scanner;

public?class?Book?{

	public?static?void?main(String[]?args)?{
		//?TODO?Auto-generated?method?stub
		String[]?books={"論語","高數","語文"};
		Scanner?input=new?Scanner(System.in);
		try{
		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?num=input.nextInt();
		if(num==1){
			System.out.println("輸入圖書名稱:");
			String?bookname=input.next();
			for(int?i=0;i<books.length;i++){
				if(bookname.equals(books[i])){
					System.out.println("book:"+bookname);
					break;
				}else{if(i==books.length-1){
					System.out.println("圖書不存在！");
				}}		
		}
		}
		if(num==2){
			System.out.println("輸入圖書序號:");
			int?num2=input.nextInt();
			if(num2>books.length){
				System.out.println("圖書不存在！");
			}else{System.out.println("book:"+books?[num2-1]);}
		}
		}catch(Exception?e){
			System.out.println("命令輸入錯誤，請按提示輸入數字命令！");
		}
	}

}