210鍵盤字元判斷

/******
檔名：JPA02.java
題目：TQC+ JAVA6物件導向程式設計 參考答案
時間：2015/06
作者：fang shi mai
******/
import java.util.*;

public class JPA02
{
    static Scanner keyboard = new Scanner(System.in);
    
    public static void main(String[] args)
    {
        test();
        test();
        test();
        test();
        test();
    }
    public static void test()
    {
        String N;
        char ch;
        
        System.out.println("Input a character:");
        N=keyboard.next();
        ch=N.charAt(0);
        
        switch(ch)
        {
            case 'a':
                System.out.println("You entered a or b");
                break;
            case 'b':
                System.out.println("You entered a or b");
                break;
            case 'x':
                System.out.println("You entered x");
                break;
            case 'y':
                System.out.println("You entered y");
                break;
            default :
                System.out.println("You entered something else.");
                break;
        }
    }
}