"Java小游戏源码范例及详细解读：由浅入深，带你深入学习（附高复杂度内容）"

In this article, we will introduce a simple Java game source code example and provide detailed code explanations. The goal of this small game is to control a ball with the keyboard to move within a window, avoiding obstacles, and collecting points as much as possible. The complexity of the code is suitable for beginners, so let's take a look together! Firstly, we need to use Java's graphics library to create a window and draw game objects. Here is a simple code example to create a window and draw a ball: ```java import javax.swing.*; import java.awt.*; public class SimpleGame extends JFrame { private int ballX = 100; // Initial X coordinate of the ball private int ballY = 100; // Initial Y coordinate of the ball public SimpleGame() { setTitle("Simple Game"); setSize(400, 400); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); setVisible(true); } public void paint(Graphics g) { super.paint(g); g.setColor(Color.RED); g.fillOval(ballX, ballY, 20, 20); // Draw the ball } public static void main(String[] args) { SimpleGame game = new SimpleGame(); } } ``` The above code creates a window using the `JFrame` class and overrides the `paint` method to draw a red ball at the specified coordinates. The `main` method creates an instance of the `SimpleGame` class to start the game. As we move on, we will delve deeper into the code and explain how to add keyboard controls, obstacle detection, and point collection. This will provide a comprehensive understanding of game development in Java. Stay tuned for the in-depth analysis in the latter part of this article!