java小游戏代码大全

Java小游戏代码大全

游戏开发是Java程序员一个重要且有趣的领域。尤其对于初学者来说，开发小游戏能够帮助他们更好地理解Java编程的一些基本概念和技巧。我们在这里分享一些Java小游戏代码的示例，帮助读者快速掌握游戏开发的基本原理和方法。

1. 猜数字游戏代码示例

猜数字游戏是一个基本的游戏，玩家需要根据提示猜出一个数字。以下是一个简单的Java代码示例：

```

import java.util.Scanner;

public class GuessNumber {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

int number = (int) (Math.random() * 100);

int guess = -1;

while (guess != number) {

System.out.print("猜一个0-100之间的数字：");

guess = scanner.nextInt();

if (guess > number) {

System.out.println("数字太大了，再试一下吧！");

} else if (guess < number) {

System.out.println("数字太小了，再试一下吧！");

} else {

System.out.println("恭喜你，猜对了！");

}

}

}

}

该程序使用了Java的Math库来生成一个0-100之间的随机数，然后使用Scanner类获取用户输入的数字。程序使用while循环不断提示用户猜数字，并根据用户输入的数字给出相应的提示，直到用户猜对为止。

2. 贪吃蛇游戏代码示例

贪吃蛇游戏是一个经典的小游戏，玩家需要操作一条蛇在一个有限的区域内移动，并尽可能地吃到食物。以下是一个简单的Java代码示例：

import java.awt.*;

import java.awt.event.*;

import javax.swing.*;

public class SnakeGame extends JFrame implements ActionListener {

private JButton startButton;

private JPanel gamePanel;

private Timer timer;

private int x, y, foodX, foodY;

private int score;

private int[] snakeX = new int[100];

private int[] snakeY = new int[100];

private boolean left, right, up, down;

private boolean running;

public SnakeGame() {

super("贪吃蛇游戏");

startButton = new JButton("开始游戏");

gamePanel = new JPanel();

gamePanel.setPreferredSize(new Dimension(400, 300));

startButton.addActionListener(this);

getContentPane().add(startButton, BorderLayout.NORTH);

getContentPane().add(gamePanel, BorderLayout.CENTER);

setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

pack();

setVisible(true);

private void startGame() {

x = 150;

y = 150;

foodX = 200;

foodY = 200;

score = 0;

left = false;

right = true;

up = false;

down = false;

running = true;

timer = new Timer(100, this);

timer.start();

private void gameLoop() {

if (running) {

moveSnake();

checkCollision();

repaint();

private void moveSnake() {

for (int i = score; i > 0; i--) {

snakeX[i] = snakeX[i - 1];

snakeY[i] = snakeY[i - 1];

if (left) {

snakeX[0] -= 10;

if (right) {

snakeX[0] += 10;

if (up) {

snakeY[0] -= 10;

if (down) {

snakeY[0] += 10;

private void checkCollision() {

if (snakeX[0] < 0 || snakeX[0] >= gamePanel.getWidth()

|| snakeY[0] < 0 || snakeY[0] >= gamePanel.getHeight()) {

running = false;

timer.stop();

JOptionPane.showMessageDialog(this, "游戏结束，最终得分为：" + score);

if (snakeX[0] == foodX && snakeY[0] == foodY) {

score++;

foodX = (int) (Math.random() * (gamePanel.getWidth() - 20));

foodY = (int) (Math.random() * (gamePanel.getHeight() - 20));

snakeX[score] = snakeX[score - 1];

snakeY[score] = snakeY[score - 1];

for (int i = 1; i < score; i++) {

if (snakeX[0] == snakeX[i] && snakeY[0] == snakeY[i]) {

running = false;

timer.stop();

JOptionPane.showMessageDialog(this, "游戏结束，最终得分为：" + score);

public void actionPerformed(ActionEvent e) {

if (e.getSource() == startButton) {

startGame();

requestFocusInWindow();

} else if (e.getSource() == timer) {

gameLoop();

public void paint(Graphics g) {

super.paint(g);

g.setColor(Color.BLACK);

g.fillRect(0, 0, gamePanel.getWidth(), gamePanel.getHeight());

g.setColor(Color.YELLOW);

g.fillRect(foodX, foodY, 10, 10);

g.setColor(Color.GREEN);

for (int i = 0; i < score; i++) {

g.fillRect(snakeX[i], snakeY[i], 10, 10);

public void keyPressed(KeyEvent e) {

if (e.getKeyCode() == KeyEvent.VK_LEFT) {

left = true;

right = false;

up = false;

down = false;

if (e.getKeyCode() == KeyEvent.VK_RIGHT) {

left = false;

right = true;

if (e.getKeyCode() == KeyEvent.VK_UP) {

up = true;

if (e.getKeyCode() == KeyEvent.VK_DOWN) {

down = true;

public void keyReleased(KeyEvent e) {}

public void keyTyped(KeyEvent e) {}

new SnakeGame();

该程序使用了Java的Swing库来实现图形化界面，并使用Timer类来实现游戏循环。程序使用了键盘事件监听器来获取用户输入的方向，并使用数组来表示蛇的身体。程序使用了Java的随机数函数来生成食物的位置，并在蛇吃到食物时更新蛇身体的长度。

3. 弹球游戏代码示例

弹球游戏是一个常见的小游戏，玩家需要控制一个挡板将球弹向目标位置。以下是一个简单的Java代码示例：

public class BallGame extends JFrame implements ActionListener {

private int ballX, ballY, ballDX, ballDY;

private int paddleX;

public BallGame() {

super("弹球游戏");

ballX = 200;

ballY = 150;

ballDX = 1;

ballDY = 1;

paddleX =