第一段(有字数要求)
import java.util.*;
public class Main
{
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
int[][] board = new int[4][4];
int score = 0;
System.out.println("欢迎来到控制台2048(前方高能)");
System.out.println("输入上，下，左，右来移动");
System.out.println("开局");
//随机生成两个2或4
for (int i = 0 ;i < 2; i++)
{
Point startRandom = getFreeLocation(board);
board[startRandom.getX()][startRandom.getY()] = generate2or4();
}
while (true)
{
print(board);
//是否有2048或已经满了
for (int y = 0 ; y < 4 ; y++)
{
for (int x = 0 ; x < 4 ; x++)
{
int value = board[x][y];
if (value == 2048)
{
System.out.println("卧槽,你居然赢了，而且还得了" + score + "这么多分");
break;
}
}
}
if (getFreeLocation(board) == null)
{
System.out.println("呵呵,劝你还是吃屎算了，才得了" + score + "这么点分");
break;
}
System.out.println("请输入你的操作");
String opera = input.next();
if (opera.equals("上"))
{
for (int i=0;i < 3;i++)
{
for (int y = 0 ; y < 4 ; y++)
{
for (int x = 0 ; x < 4 ; x++)
{
int value = board[x][y];
if (!((y - 1) < 0))
{
int upvalue = board[x][y - 1];
if (upvalue == 0)
{
board[x][y - 1] = value;
board[x][y] = 0;
}
else if (value == upvalue)
{
//有效合并
board[x][y - 1] = value * 2;
board[x][y] = 0;
score++;
}
}
}
}
}
Point random = getFreeLocation(board);
board[random.getX()][random.getY()] = generate2or4();
}

第二段
else if (opera.equals("下"))
{
for (int i=0;i < 3;i++)
{
for (int y = 3 ; y >= 0 ; y--)
{
for (int x = 0 ; x < 4 ; x++)
{
int value = board[x][y];
if (!((y + 1) > 3))
{
int upvalue = board[x][y + 1];
if (upvalue == 0)
{
board[x][y + 1] = value;
board[x][y] = 0;
}
else if (value == upvalue)
{
//有效合并
board[x][y + 1] = value * 2;
board[x][y] = 0;
score++;
}
}
}
}
}
Point random = getFreeLocation(board);
board[random.getX()][random.getY()] = generate2or4();
}
else if (opera.equals("左"))
{
for (int i=0;i < 3;i++)
{
for (int x = 0 ; x < 4 ; x++)
{
for (int y = 0 ; y < 4 ; y++)
{
int value = board[x][y];
if (!((x - 1) < 0))
{
int upvalue = board[x - 1][y];
if (upvalue == 0)
{
board[x - 1][y] = value;
board[x][y] = 0;
}
else if (value == upvalue)
{
//有效合并
board[x - 1][y] = value * 2;
board[x][y] = 0;
score++;
}
}
}
}
}
Point random = getFreeLocation(board);
board[random.getX()][random.getY()] = generate2or4();
}
else if (opera.equals("右"))
{
for (int i=0;i < 3;i++)
{
for (int x = 3 ; x >= 0 ; x--)
{
for (int y = 0 ; y < 4 ; y++)
{
int value = board[x][y];
if (!((x + 1) > 3))
{
int upvalue = board[x + 1][y];
if (upvalue == 0)
{
board[x + 1][y] = value;
board[x][y] = 0;
}
else if (value == upvalue)
{
//有效合并
board[x + 1][y] = value * 2;
board[x][y] = 0;
score++;
}
}
}
}
}

第三段
Point random = getFreeLocation(board);
board[random.getX()][random.getY()] = generate2or4();
}
else
{
System.out.println("手残啊，告诉你输入上下左右了嘛");
}
}
}
public static int generate2or4()
{
//生成2的几率为百分之70，4的几率为百分之30，百分之30可以不用再次判断
double random =Math.random();
if (random >= 0D && random <= 0.7D)
{
return 2;
}
else
{
return 4;
}
}
public static Point getFreeLocation(int[][] board)
{
//取数组中随机空位，没有空位返回null
List<Point> freeLocations = new ArrayList<Point>();
for (int x = 0 ; x < 4 ; x++)
{
for (int y = 0 ; y < 4 ; y++)
{
if (board[x][y] == 0)
{
freeLocations.add(new Point(x, y));
}
}
}
int location = (int) (Math.random() * (freeLocations.size() - 1));
if (freeLocations.size() == 0)
{
return null;
}
else
{
return freeLocations.get(location);
}
}

最后一段
public static void print(int[][] board)
{
System.out.println();
for (int y = 0 ; y < 4 ; y++)
{
for (int x = 0 ; x < 4 ; x++)
{
int value = board[x][y];
if (value == 0)
{
System.out.print("空位 ");
}
else
{
String space = " ";
for (int i =0 ; i < (4 - String.valueOf(value).length()) ;i++)
{
space += " ";
}
System.out.print(value + space);
}
}
System.out.println();
}
}
}
class Point
{
private int x;
private int y;
public Point(int x, int y)
{
this.x = x;
this.y = y;
}
public void setX(int x)
{
this.x = x;
}
public int getX()
{
return x;
}
public void setY(int y)
{
this.y = y;
}
public int getY()
{
return y;
}
}

拼合在一起再食用

我其实到现在都没明白2048这个游戏怎么玩？

帮顶

只看得懂一些。。。
　　　　　 　---
　　　　 思念的人啊
人们常说时间会让爱变得淡忘
变得模糊和破碎
　　　

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