Java二维数组实现数字拼图效果
作者:Msy丿P 时间:2021-11-21 20:39:17
二维数组实现数字拼图,供大家参考,具体内容如下
二维数组可以自己随意定义大小,通过方法判断来实现对所有的数字进行随机打乱,并可以通过移动来正确还原,并可以判断0(表示空格)是否可以移动,是否在范围内。
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int[][] arrays = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 0 } };
int sum = 1;
String direction;
bianLi(arrays);
daLuanErWeiShuZu(arrays);
System.out.println("========================================");
while (true) {
bianLi(arrays);
if (isOk(arrays)) {
break;
}
sum++;
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("请输入移动方向(W 上、S 下、A 左、D 右)");
direction = scanner.next();
switch (direction) {
case "W":
case "w":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "上", arrays);
break;
case "S":
case "s":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "下", arrays);
break;
case "A":
case "a":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "左", arrays);
break;
case "D":
case "d":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "右", arrays);
break;
default:
System.out.println("非法输入,重新输入");
break;
}
}
System.out.println("一共走了" + sum + "步");
System.out.println("挑战成功");
}
判断当前坐标是否可以移动
/**
* 判断当前坐标是否可以移动
*
* @param arrays
* @return 可以移动返回true
*/
public static boolean isYiDong(int[][] arrays) {
int returnX = returnX(arrays);
int returnY = returnY(arrays);
System.out.println(returnX + ":" + returnY);
if (returnX >= 0 && returnX + 1 < arrays.length && returnY >= 0 && returnY + 1 < arrays.length) {
return true;
}
return false;
}
获取当前0所在行的具体地址
// 获取0所在行的位置
public static int returnX(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
if (0 == arrays[i][j]) {
return i;
}
}
}
return -1;
}
获取当前0所在列的具体地址
// 获取0所在列的位置
public static int returnY(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
if (0 == arrays[i][j]) {
return j;
}
}
}
return -1;
}
二维数组随机打乱,需要判断左上角、右上角、左下角、右下角、中间、上中、下种、左中、右中,那些方向可以移动,生成随机数来确定移动方向
// 二维数组随机打乱
public static void daLuanErWeiShuZu(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
// 左上
if (i == 0 && j == 0) {
// 根据生成的随机数确定向右边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "下", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "右", arrays);
}
}
// 右上
if (i == 0 && j == arrays[0].length - 1) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "下", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "左", arrays);
}
}
// 左下
if (i == arrays.length - 1 && j == 0) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "上", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "右", arrays);
}
}
// 右下
if (i == arrays.length - 1 && j == arrays[i].length - 1) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "上", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "左", arrays);
}
}
// 上中
if (i == 0 && j > 0 && j < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
// 左中
if (j == 0 && i > 0 && i < arrays.length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
default:
break;
}
}
// 下中
if (i == arrays.length - 1 && j > 0 && j < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
// 右中
if (j == arrays[i].length - 1 && i > 0 && i < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
default:
break;
}
}
if (i > 0 && j > 0 && i < arrays.length - 2 && j < arrays[i].length - 2) {
switch (oneToThree(4)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
case 3:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
}
}
}
该方法实现对0的位置和需要替换位置数据的替换,并对0范围进行验证,怕0出现数组下标越位。
/**
* 根据输入的数据,对二维数组进行数据替换
*
* @param i 高位坐标
* @param j 地位坐标
* @param direction 移动方向
* @param arrays 需要交换数据的数组
*/
public static void tiHuanShuZuWeiZhi(int i, int j, String direction, int[][] arrays) {
int tem = -1;
switch (direction) {
case "上":
if (i > 0) {
tem = arrays[i][j];
arrays[i][j] = arrays[i - 1][j];
arrays[i - 1][j] = tem;
}
break;
case "下":
if (i < arrays.length - 1) {
tem = arrays[i][j];
arrays[i][j] = arrays[i + 1][j];
arrays[i + 1][j] = tem;
}
break;
case "左":
if (j > 0) {
tem = arrays[i][j];
arrays[i][j] = arrays[i][j - 1];
arrays[i][j - 1] = tem;
}
break;
case "右":
if (j < arrays.length - 1) {
tem = arrays[i][j];
arrays[i][j] = arrays[i][j + 1];
arrays[i][j + 1] = tem;
}
break;
default:
break;
}
}
完整代码如下
import java.util.Random;
import java.util.Scanner;
public class Demo {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int[][] arrays = { { 1, 2, 3 }, { 4, 5, 6 }, { 7, 8, 0 } };
int sum = 1;
String direction;
bianLi(arrays);
daLuanErWeiShuZu(arrays);
System.out.println("========================================");
while (true) {
bianLi(arrays);
if (isOk(arrays)) {
break;
}
sum++;
try {
Thread.sleep(500);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println("请输入移动方向(W 上、S 下、A 左、D 右)");
direction = scanner.next();
switch (direction) {
case "W":
case "w":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "上", arrays);
break;
case "S":
case "s":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "下", arrays);
break;
case "A":
case "a":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "左", arrays);
break;
case "D":
case "d":
tiHuanShuZuWeiZhi(returnX(arrays), returnY(arrays), "右", arrays);
break;
default:
System.out.println("非法输入,重新输入");
break;
}
}
System.out.println("一共走了" + sum + "步");
System.out.println("挑战成功");
}
// /**
// * 判断当前坐标是否可以移动
// *
// * @param arrays
// * @return 可以移动返回true
// */
// public static boolean isYiDong(int[][] arrays) {
// int returnX = returnX(arrays);
// int returnY = returnY(arrays);
// System.out.println(returnX + ":" + returnY);
// if (returnX >= 0 && returnX + 1 < arrays.length && returnY >= 0 && returnY + 1 < arrays.length) {
// return true;
// }
// return false;
// }
/**
*
* @param arrays 需要验证的数据
* @return 成功返回true
*/
public static boolean isOk(int[][] arrays) {
int sum = 1;
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays.length; j++) {
if (sum == 9) {
sum = 0;
}
if (arrays[i][j] != sum) {
return false;
}
sum++;
}
}
return true;
}
// 获取0所在行的位置
public static int returnX(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
if (0 == arrays[i][j]) {
return i;
}
}
}
return -1;
}
// 获取0所在列的位置
public static int returnY(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
if (0 == arrays[i][j]) {
return j;
}
}
}
return -1;
}
// 遍历二维数组
public static void bianLi(int[][] arrays) {
for (int[] is : arrays) {
for (int is2 : is) {
System.out.print(is2 + "\t");
}
System.out.println();
}
}
// 二维数组随机打乱
public static void daLuanErWeiShuZu(int[][] arrays) {
for (int i = 0; i < arrays.length; i++) {
for (int j = 0; j < arrays[i].length; j++) {
// 左上
if (i == 0 && j == 0) {
// 根据生成的随机数确定向右边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "下", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "右", arrays);
}
}
// 右上
if (i == 0 && j == arrays[0].length - 1) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "下", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "左", arrays);
}
}
// 左下
if (i == arrays.length - 1 && j == 0) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "上", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "右", arrays);
}
}
// 右下
if (i == arrays.length - 1 && j == arrays[i].length - 1) {
// 根据生成的随机数确定向左边边移动还是向下移动
if (ouShuOrJiShu()) {
tiHuanShuZuWeiZhi(i, j, "上", arrays);
} else {
tiHuanShuZuWeiZhi(i, j, "左", arrays);
}
}
// 上中
if (i == 0 && j > 0 && j < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
// 左中
if (j == 0 && i > 0 && i < arrays.length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
default:
break;
}
}
// 下中
if (i == arrays.length - 1 && j > 0 && j < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
// 右中
if (j == arrays[i].length - 1 && i > 0 && i < arrays[i].length - 1) {
switch (oneToThree(3)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
default:
break;
}
}
if (i > 0 && j > 0 && i < arrays.length - 2 && j < arrays[i].length - 2) {
switch (oneToThree(4)) {
case 0:
tiHuanShuZuWeiZhi(i, j, "上", arrays);
break;
case 1:
tiHuanShuZuWeiZhi(i, j, "右", arrays);
break;
case 2:
tiHuanShuZuWeiZhi(i, j, "下", arrays);
break;
case 3:
tiHuanShuZuWeiZhi(i, j, "左", arrays);
break;
default:
break;
}
}
}
}
}
/**
* 判断是否是偶数
*
* @return 偶数返回true
*/
public static boolean ouShuOrJiShu() {
return new Random().nextInt(1000) % 2 == 0 ? true : false;
}
/**
*
* @param n 需要模的值
* @return 返回0-(n-1)的值
*/
public static int oneToThree(int n) {
return new Random().nextInt(1000) % n;
}
/**
* 根据输入的数据,对二维数组进行数据替换
*
* @param i 高位坐标
* @param j 地位坐标
* @param direction 移动方向
* @param arrays 需要交换数据的数组
*/
public static void tiHuanShuZuWeiZhi(int i, int j, String direction, int[][] arrays) {
int tem = -1;
switch (direction) {
case "上":
if (i > 0) {
tem = arrays[i][j];
arrays[i][j] = arrays[i - 1][j];
arrays[i - 1][j] = tem;
}
break;
case "下":
if (i < arrays.length - 1) {
tem = arrays[i][j];
arrays[i][j] = arrays[i + 1][j];
arrays[i + 1][j] = tem;
}
break;
case "左":
if (j > 0) {
tem = arrays[i][j];
arrays[i][j] = arrays[i][j - 1];
arrays[i][j - 1] = tem;
}
break;
case "右":
if (j < arrays.length - 1) {
tem = arrays[i][j];
arrays[i][j] = arrays[i][j + 1];
arrays[i][j + 1] = tem;
}
break;
default:
break;
}
}
}
来源:https://blog.csdn.net/MsyLaoLi/article/details/107675610
标签:java,数字拼图
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