猜數字遊戲

package com.sample;

import static java.lang.System.out;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        String inputStr = "";
        int input = 0;
        int answer = 0;
        Scanner scanner = new Scanner(System.in);
        answer = (int) (Math.random() * 10 + 1);
        while (true) {
            out.print("輸入數字：");
            inputStr = scanner.next();
            try {
                input = Integer.parseInt(inputStr);
            } catch (NumberFormatException e) {
                if ("q".equals(inputStr.trim().toLowerCase())) {
                    break;
                } else {
                    continue;
                }
            }
            if (input == answer) {
                out.println("你猜對了。");
                break;
            } else if (input < answer) {
                out.println("你猜的數字太小。");
            } else {
                out.println("你猜的數字太大。");
            }
        }
        if (scanner != null) {
            scanner.close();
            scanner = null;
        }
        out.println("finish");
    }// end of main method

}