如何自动生成迷宫 java

```java

import java.util.ArrayList;

import java.util.Collections;

import java.util.List;

public class MazeGenerator {

private static final int MAZE_WIDTH = 20;

private static final int MAZE_HEIGHT = 20;

private static final char WALL = '';

private static final char PATH = ' ';

public static void main(String[] args) {

char[][] maze = generateMaze();

printMaze(maze);