java龟兔赛跑图形界面

好的，以下是一个基于Java图形用户界面（GUI）的龟兔赛跑小程序。这个程序使用Java Swing库来创建GUI界面，还使用了多线程来模拟比赛。

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Random;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class TortoiseAndHareRaceGUI extends JFrame implements ActionListener, Runnable {
    private static final long serialVersionUID = 1L;
    private static final int WIDTH = 800;
    private static final int HEIGHT = 600;
    private static final int FINISH_LINE = 700;
    private static final int TORTOISE_START_POSITION = 50;
    private static final int HARE_START_POSITION = 50;
    private static final int MOVE_PIXELS = 10;

    private JPanel raceTrackPanel;
    private JLabel tortoiseLabel;
    private JLabel hareLabel;
    private JButton startButton;
    private Thread raceThread;

    private int tortoisePosition;
    private int harePosition;
    private boolean raceInProgress;

    public TortoiseAndHareRaceGUI() {
        setTitle("Tortoise and Hare Race");
        setSize(WIDTH, HEIGHT);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        tortoisePosition = TORTOISE_START_POSITION;
        harePosition = HARE_START_POSITION;
        raceInProgress = false;

        setupGUI();
    }

    private void setupGUI() {
        // Race track panel
        raceTrackPanel = new JPanel() {
            private static final long serialVersionUID = 1L;

            @Override
            protected void paintComponent(Graphics g) {
                super.paintComponent(g);

                // Draw starting line
                g.setColor(Color.BLACK);
                g.fillRect(0, 100, getWidth(), 5);

                // Draw finishing line
                g.setColor(Color.RED);
                g.fillRect(FINISH_LINE, 0, 5, getHeight());

                // Draw tortoise
                g.setColor(Color.GREEN);
                g.fillRect(tortoisePosition, 50, 50, 50);

                // Draw hare
                g.setColor(Color.BLUE);
                g.fillRect(harePosition, 200, 50, 50);
            }
        };
        raceTrackPanel.setLayout(new BorderLayout());
        add(raceTrackPanel, BorderLayout.CENTER);

        // Labels panel
        JPanel labelsPanel = new JPanel(new GridLayout(2, 1));
        tortoiseLabel = new JLabel("Tortoise: " + TORTOISE_START_POSITION);
        tortoiseLabel.setFont(new Font("Arial", Font.BOLD, 20));
        labelsPanel.add(tortoiseLabel);
        hareLabel = new JLabel("Hare: " + HARE_START_POSITION);
        hareLabel.setFont(new Font("Arial", Font.BOLD, 20));
        labelsPanel.add(hareLabel);
        add(labelsPanel, BorderLayout.NORTH);

        // Start button
        startButton = new JButton("Start");
        startButton.addActionListener(this);
        add(startButton, BorderLayout.SOUTH);
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        if (e.getSource() == startButton) {
            if (!raceInProgress) {
                startRace();
            }
        }
    }

    private void startRace() {
        raceInProgress = true;
        startButton.setEnabled(false);

        raceThread = new Thread(this);
        raceThread.start();
    }

    private void endRace() {
        raceInProgress = false;
        startButton.setEnabled(true);

        // Determine winner
        if (tortoisePosition >= FINISH_LINE && harePosition >= FINISH_LINE) {
            setTitle("It's a tie!");
        } else if (tortoisePosition >= FINISH_LINE) {
            setTitle("Tortoise wins!");
        } else {
            setTitle("Hare wins!");
        }
    }

    @Override
    public void run() {
        Random random = new Random();

        while (tortoisePosition < FINISH_LINE && harePosition < FINISH_LINE) {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            // Tortoise's move
            int tortoiseMove = random.nextInt(10) + 1;
            if (tortoiseMove >= 1 && tortoiseMove <= 5) {
                // Fast plod
                tortoisePosition += MOVE_PIXELS * 3;
            } else if (tortoiseMove >= 6 && tortoiseMove <= 7) {
                // Slip
                tortoisePosition -= MOVE_PIXELS * 6;
            } else {
                // Slow plod
                tortoisePosition += MOVE_PIXELS;
            }
            if (tortoisePosition < 0) {
                tortoisePosition = 0;
            }

            // Hare's move
            int hareMove = random.nextInt(10) + 1;
            if (hareMove >= 1 && hareMove <= 2) {
                // Sleep
            } else if (hareMove >= 3 && hareMove <= 4) {
                // Big hop
                harePosition += MOVE_PIXELS * 9;
            } else if (hareMove == 5) {
                // Big slip
                harePosition -= MOVE_PIXELS * 12;
            } else if (hareMove >= 6 && hareMove <= 8) {
                // Small hop
                harePosition += MOVE_PIXELS;
            } else {
                // Small slip
                harePosition -= MOVE_PIXELS * 2;
            }
            if (harePosition < 0) {
                harePosition = 0;
            }

            // Update labels
            tortoiseLabel.setText("Tortoise: " + tortoisePosition);
            hareLabel.setText("Hare: " + harePosition);

            // Repaint race track
            raceTrackPanel.repaint();
        }

        endRace();
    }

    public static void main(String[] args) {
        TortoiseAndHareRaceGUI race = new TortoiseAndHareRaceGUI();
        race.setVisible(true);
    }
}

这个程序创建了一个GUI界面，包括一个赛道面板、一个标签面板和一个开始按钮。当用户点击开始按钮时，程序会启动一个模拟比赛的线程，并在赛道面板上绘制乌龟和兔子的移动轨迹。同时，程序还会更新标签面板上的比赛进程。当比赛结束时，程序会禁用开始按钮，并显示胜者的名字。