技術標籤：# Java題解

MyFrame:

package Gui;

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;

public class MyFrame extends JFrame implements Runnable,ActionListener {
    JTextField inputLetter;
    JLabel showLetter,showScore;
    Thread giveLetter;
    int sleepTime,score;


    public
 
 MyFrame() {
        init();
        setTitle("打字母遊戲");
        setBounds(300, 300, 400, 100);
        setVisible(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        validate();
        giveLetter = new Thread(this);
        giveLetter.start();

    }

    void init() {

        setLayout
 
(new FlowLayout());
        showLetter = new JLabel(" ",JLabel.CENTER);
        showScore = new JLabel("分數：");
        showLetter.setFont(new Font("Arial",Font.BOLD,22));
        inputLetter = new JTextField(6);

        add(new JLabel("顯示字母："));
        add(showLetter)
 
;
        add(new JLabel("輸入所顯示的字母(回車)"));
        add(inputLetter);
        add(showScore);

        inputLetter.addActionListener(this);


    }

    public void setSleepTime(int sleepTime) {
        this.sleepTime = sleepTime;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        String s = showLetter.getText().trim();
        String letter = inputLetter.getText().trim();
        if(s.equals(letter)){
            score++;
            showScore.setText("得分"+score);
            giveLetter.interrupt();
        }
        inputLetter.setText(null);
    }

    @Override
    public void run() {
        char c;
        while(true){
            c = (char)(Math.random()*26 + 'a');
            showLetter.setText("" + c +" ");
            try{
                Thread.sleep(sleepTime);
            }catch (InterruptedException e){

            }
        }
    }
}

main:

package Gui;

public class Main {
    public static void main(String[] args) {
        MyFrame myFrame = new MyFrame();
        myFrame.setSleepTime(1500);
    }
}