二维数组

package com;

import java.util.Arrays;

public class ManyArray {
	int count = 0;
	int dcount = 0;

	public void printArray() {
		int[][] array = new int[5][5];
		array[0][0] = 1;
		setNumber(0, 0, array);
		for (int i = 0; i < 5; i++) {
			System.out.println(Arrays.toString(array[i]));
		}
	}

	public static void main(String[] args) {
		new ManyArray().printArray();
	}

	//逆时针设数
	public void setNumber(int i, int j, int[][] a) {
		//自左向右方向
		if (i < a.length - 1 && a[i][j + 1] == 0 && count != 4) {
			a[i][j + 1] = a[i][j] + 1;
			count++;
			setNumber(i, j + 1, a);
		} else if (i < a.length - 1 && a[i + 1][j] == 0) { //自上向下方向
			a[i + 1][j] = a[i][j] + 1;
			setNumber(i + 1, j, a);
		} else if (j > 0 && a[j][j - 1] == 0) {	//自右向左
			a[i][j - 1] = a[i][j] + 1;
			setNumber(i, j - 1, a);
		} else if (i >= 0 && a[i - 1][j] == 0) {// 自下向上方向
			a[i - 1][j] = a[i][j] + 1;
			dcount++;
			if (dcount == 3) {
				count = 0;
			}
			setNumber(i - 1, j, a);
		}
	}
}