Java怎样实现经典俄罗斯方块游戏，相信很多没有经验的人对此束手无策，为此本文总结了问题出现的原因和解决方法，通过这篇文章希望你能解决这个问题。
前言
俄罗斯方块是一个最初由阿列克谢帕吉特诺夫在苏联设计和编程的益智类视频游戏。
《俄罗斯方块》的基本规则是移动、旋转和摆放游戏自动输出的各种方块，使之排列成完整的一行或多行并且消除得分。
用java语言实现，采用了swing技术进行了界面化处理，设计思路用了面向对象思想。
主要需求
由小方块组成的不同形状的板块陆续从屏幕上方落下来，玩家通过调整板块的位置和方向，使它们在屏幕底部拼出完整的一条或几条。这些完整的横条会随即消失，给新落下来的板块腾出空间，与此同时，玩家得到分数奖励。没有被消除掉的方块不断堆积起来，一旦堆到屏幕顶端，玩家便告输，游戏结束。
主要设计
用键盘操作,"←"左移一格；"→"右移一格；"↑"旋转方块；↓ 方块丢下（方块下落到底）
一旦堆到屏幕顶端，游戏结束
设计不同的方块
设计方块下落的速度
设计分数系统
功能截图
游戏启动页
开始游戏
游戏结束
代码实现
窗口设计类
public class Windows extends JFrame {private Toolkit took = null;private static int width= 470; //宽private static int height = 680; //高private static int width_g = 10; //游戏区域private static int height_g = 22; //private static int size = 30; //方块大小private static int space= 10; //坐标距边界间隔Map map = new Map(width_g,height_g);//地图坐标ArrayList <Diamonds> ds = new ArrayList<Diamonds>();//方块数组private boolean game=false; //游戏开始private int flag = 0; //游戏状态【暂停：0，继续：1】private JLabel jl2;private JButton jb1;private int speed = 500; //速度private int score = 0; //分数private int[] scores = new int[4]; //排名public static void main(String[] args) {Windows win = new Windows();win.run();}public void run(){init();try {while(true) {if(game&&flag==1) {ds.get(ds.size()-2).movement(map);if(!ds.get(ds.size()-2).isStatus()) {//判断游戏是否失败if(ds.get((ds.size()-2)).getY()<=3) {game=false;//重置游戏参数ds = new ArrayList<Diamonds>();map = new Map(width_g,height_g);JOptionPane.showMessageDialog(new JFrame().getContentPane(), "游戏结束！\n您获得【"+score+"】点分数");score=0;jl2.setText("分数： "+score);jb1.setEnabled(true);jb1.setText("重新开始");}else {//消除判断score=map.dispel(score);jl2.setText("分数： "+score);//生成新方块Diamonds diamonds = new Diamonds(width_g);ds.add(diamonds);}}}repaint();Thread.sleep(speed);}}catch(InterruptedException e) {e.printStackTrace();}}//窗口加载public void init() {//界面设置this.setTitle("俄罗斯方块"); //this.setSize(width, height); //界面大小took = Toolkit.getDefaultToolkit();Dimension dm = took.getScreenSize();int swidth = (dm.width - width)/2;int sheight = (dm.height - height)/2; this.setLocation(swidth, sheight); //容器 JPanel p1 = new JPanel(); //地图 JPanel p2 = new JPanel(); //俄罗斯方块控制界面 JPanel p3 = new JPanel(); //按钮 JPanel p4 = new JPanel(); //说明 //图形绘制容器 JPanel contentPane = new PaintPanel(); setContentPane(contentPane); //标签 JLabel jl1 = new JLabel("俄罗斯方块控制界面"); jl2 = new JLabel("分数： "+score); JLabel jl3 = new JLabel("游戏说明："); //按钮 jb1 = new JButton("游戏开始"); JButton jb2 = new JButton("难度选择"); JButton jb3 = new JButton("继续/暂停"); JButton jb4 = new JButton("游戏退出"); JButton jb5 = new JButton("高级"); JButton jb6 = new JButton("中级"); JButton jb7 = new JButton("低级"); JButton jb8 = new JButton("显示排名"); //文本 JTextArea jta = new JTextArea("1.点击【游戏开始】按钮开始游戏。" + "\n2.游戏中可随时暂停，使用方向键可继续游戏" + "\n3.用键盘操作,\"←\"左移一格；\"→\"右移一格；\"↑\"旋转方块；↓ 方块丢下（方块下落到底）",50,9); jta.setSelectionColor(Color.RED); jta.setEditable(false); jta.setLineWrap(true); //布局 this.setLayout(new BorderLayout(5,5)); p2.setLayout(new GridLayout(2,1,5,5)); p3.setLayout(new GridLayout(10,1,5,5)); p4.setLayout(new BorderLayout(5,5)); //设置边界 p2.setBorder(BorderFactory.createEmptyBorder(20,20,15,15)); //背景颜色 p1.setBackground(new Color(255,255,255,0)); p2.setBackground(new Color(255,255,255,0)); p3.setBackground(new Color(255,255,255,0)); p4.setBackground(new Color(255,255,255,0)); jta.setBackground(Color.WHITE); //添加容器/组件 p3.add(jl1); p3.add(jl2); p3.add(jb1); //p3.add(jb2); p3.add(jb3); p3.add(jb4); p3.add(jb8); p4.add(jl3,BorderLayout.NORTH); p4.add(jta,BorderLayout.CENTER); p2.add(p3); p2.add(p4); //主容器 this.add(p1,BorderLayout.CENTER); this.add(p2,BorderLayout.EAST); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setUndecorated(true);this.setVisible(true);this.addKeyListener(new KeyAdapter() {public void keyPressed(KeyEvent e) {//游戏开始时按键有效if(ds.size()!=0) {int type = ds.get(ds.size()-2).getType();int x = ds.get(ds.size()-2).getX();if(e.getKeyCode()==KeyEvent.VK_LEFT) {ds.get(ds.size()-2).left(map);}if(e.getKeyCode()==KeyEvent.VK_RIGHT) {ds.get(ds.size()-2).right(map);}if(e.getKeyCode()==KeyEvent.VK_UP) {if(type<=1) {//可能在转换过程发生越界的解决办法if(type==1) {if(x>=width_g-3) {ds.get(ds.size()-2).setX(width_g-4);}}ds.get(ds.size()-2).setType(type==0?1:0);}else if(type<=5) {if(type==3||type==5) {if(x==width_g-2) {ds.get(ds.size()-2).setX(width_g-3);}}ds.get(ds.size()-2).setType(type==5?2:++type);}else if(type<=9) {ds.get(ds.size()-2).setType(type==9?6:++type);}else if(type<=10) {ds.get(ds.size()-2).setType(10);}else if(type<=14) {if(type==12||type==14) {if(x==width_g-2) {ds.get(ds.size()-2).setX(width_g-3);}}ds.get(ds.size()-2).setType(type==14?11:++type);}else if(type<=18) {if(type==16||type==18) {if(x==width_g-2) {ds.get(ds.size()-2).setX(width_g-3);}}ds.get(ds.size()-2).setType(type==18?15:++type);}}}if(e.getKeyCode()==KeyEvent.VK_DOWN) {speed = 100;}}public void keyReleased(KeyEvent e) {if(e.getKeyCode()==KeyEvent.VK_DOWN) {speed = 500;}}});//游戏开始jb1.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {requestFocus();//生成第一个方块Diamonds diamonds = new Diamonds(width_g);ds.add(diamonds);//生成提示方块Diamonds point = new Diamonds(width_g);ds.add(point);//游戏开始game=true;flag=1;//游戏开始后禁止使用jb1.setEnabled(false);}});//退出jb4.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {System.exit(0);}});//暂停/继续jb3.addMouseListener(new MouseAdapter() {@Overridepublic void mouseClicked(MouseEvent e) {if(flag==0) {flag=1;}else {flag=0;}requestFocus();}});}//重写paintComponent(图形绘制)private class PaintPanel extends JPanel{@Overrideprotected void paintComponent(Graphics g) {//还原size的值size=30;//绘制边界g.setColor(Color.GRAY);g.fillRect(0, 0, width-149, height-1);g.setColor(Color.PINK);g.fillRect(width-149, 0, 148, height-1);g.setColor(Color.BLACK);g.drawLine(width-149, 0, width-149, height-1);g.drawRect(0, 0, width-1, height-1);g.setColor(Color.WHITE); g.fillRect(space, space, width_g*size, height_g*size);g.setColor(Color.BLACK);g.drawRect(space, space, width_g*size, height_g*size);g.drawLine(space, space+3*size, space+width_g*size, space+3*size);//提示框g.setColor(Color.WHITE);g.fillRect(width-135, 222, 4*size, 4*size);g.setColor(Color.BLACK);g.drawRect(width-135, 222, 4*size, 4*size);if(game) {Color[][] color_xy = map.getColor();int[][] map_xy = map.getMap();//绘制地图for(int i=0;i<width_g;i++) {for(int j=0;j<height_g;j++) {// 绘制网格线，可注释g.drawRect(i*size+space, j*size+space, size, size);if(map_xy[i][j]==1) {//g.setColor(color_xy[i][j]);g.setColor(Color.BLUE);g.fillRect(i*size+space, j*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(i*size+space, j*size+space, size, size);}}}//绘制可移动的方块int type=ds.get(ds.size()-2).getType();int x=ds.get(ds.size()-2).getX();int y=ds.get(ds.size()-2).getY();Color color = ds.get(ds.size()-2).getColor();//绘制提示方块int typeO=ds.get(ds.size()-1).getType();int xO=width-100;int yO=260;Color colorO = ds.get(ds.size()-1).getColor();//绘制图形//图形一，两种形态if(type==0) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+2)*size+space, y*size+space, size, size);g.fillRect((x+3)*size+space, y*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+2)*size+space, y*size+space, size, size);g.drawRect((x+3)*size+space, y*size+space, size, size);}if(type==1) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect(x*size+space, (y+2)*size+space, size, size);g.fillRect(x*size+space, (y+3)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect(x*size+space, (y+2)*size+space, size, size);g.drawRect(x*size+space, (y+3)*size+space, size, size);}//图形二，四种形态if(type==2) {g.setColor(color);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect((x+2)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect((x+2)*size+space, (y+1)*size+space, size, size);}if(type==3) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect(x*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect(x*size+space, (y+2)*size+space, size, size);}if(type==4) {g.setColor(color);g.fillRect((x)*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+2)*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+2)*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);}if(type==5) {g.setColor(color);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+2)*size+space, size, size);}//图形三，四种形态if(type==6) {g.setColor(color);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);}if(type==7) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);}if(type==8) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);}if(type==9) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);}//图形四，一种形态if(type==10) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);}//图形五，三种形态if(type==11) {g.setColor(color);g.fillRect((x+2)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect((x+2)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect((x+2)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect((x+2)*size+space, (y+1)*size+space, size, size);}if(type==12) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+2)*size+space, size, size);}if(type==13) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+2)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+2)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);}if(type==14) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect(x*size+space, (y+2)*size+space, size, size);g.fillRect((x+1)*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect(x*size+space, (y+2)*size+space, size, size);g.drawRect((x+1)*size+space, (y+2)*size+space, size, size);}//图形六，三种形态if(type==15) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect((x+2)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect((x+2)*size+space, (y+1)*size+space, size, size);}if(type==16) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect(x*size+space, (y+1)*size+space, size, size);g.fillRect(x*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect(x*size+space, (y+1)*size+space, size, size);g.drawRect(x*size+space, (y+2)*size+space, size, size);}if(type==17) {g.setColor(color);g.fillRect(x*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+2)*size+space, y*size+space, size, size);g.fillRect((x+2)*size+space, (y+1)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect(x*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+2)*size+space, y*size+space, size, size);g.drawRect((x+2)*size+space, (y+1)*size+space, size, size);}if(type==18) {g.setColor(color);g.fillRect((x+1)*size+space, y*size+space, size, size);g.fillRect((x+1)*size+space, (y+1)*size+space, size, size);g.fillRect(x*size+space, (y+2)*size+space, size, size);g.fillRect((x+1)*size+space, (y+2)*size+space, size, size);g.setColor(Color.BLACK);g.drawRect((x+1)*size+space, y*size+space, size, size);g.drawRect((x+1)*size+space, (y+1)*size+space, size, size);g.drawRect(x*size+space, (y+2)*size+space, size, size);g.drawRect((x+1)*size+space, (y+2)*size+space, size, size);}//绘制提示图形size=(int)(size/1.5);if(typeO==0) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO+size, yO, size, size);g.fillRect(xO+size*2, yO, size, size);g.fillRect(xO+size*3, yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO+size, yO, size, size);g.drawRect(xO+size*2, yO, size, size);g.drawRect(xO+size*3, yO, size, size);}if(typeO==1) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(xO, 2*size+yO, size, size);g.fillRect(xO, 3*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(xO, 2*size+yO, size, size);g.drawRect(xO, 3*size+yO, size, size);}//图形二，四种形态if(typeO==2) {g.setColor(colorO);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(2*size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(2*size+xO, size+yO, size, size);}if(typeO==3) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(xO, 2*size+yO, size, size);}if(typeO==4) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(2*size+xO, yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(2*size+xO, yO, size, size);g.drawRect(size+xO, size+yO, size, size);}if(typeO==5) {g.setColor(colorO);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(size+xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(size+xO, 2*size+yO, size, size);}//图形三，四种形态if(typeO==6) {g.setColor(colorO);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);}if(typeO==7) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);}if(typeO==8) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);}if(typeO==9) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(size+xO, size+yO, size, size);}//图形四，一种形态if(typeO==10) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);}//图形五，三种形态if(typeO==11) {g.setColor(colorO);g.fillRect(2*size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(2*size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(2*size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(2*size+xO, size+yO, size, size);}if(typeO==12) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(size+xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(size+xO, 2*size+yO, size, size);}if(typeO==13) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(2*size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(2*size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);}if(typeO==14) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(xO, 2*size+yO, size, size);g.fillRect(size+xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(xO, 2*size+yO, size, size);g.drawRect(size+xO, 2*size+yO, size, size);}//图形六，三种形态if(typeO==15) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(2*size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(2*size+xO, size+yO, size, size);}if(typeO==16) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(xO, size+yO, size, size);g.fillRect(xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(xO, size+yO, size, size);g.drawRect(xO, 2*size+yO, size, size);}if(typeO==17) {g.setColor(colorO);g.fillRect(xO, yO, size, size);g.fillRect(size+xO, yO, size, size);g.fillRect(2*size+xO, yO, size, size);g.fillRect(2*size+xO, size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(xO, yO, size, size);g.drawRect(size+xO, yO, size, size);g.drawRect(2*size+xO, yO, size, size);g.drawRect(2*size+xO, size+yO, size, size);}if(typeO==18) {g.setColor(colorO);g.fillRect(size+xO, yO, size, size);g.fillRect(size+xO, size+yO, size, size);g.fillRect(xO, 2*size+yO, size, size);g.fillRect(size+xO, 2*size+yO, size, size);g.setColor(Color.BLACK);g.drawRect(size+xO, yO, size, size);g.drawRect(size+xO, size+yO, size, size);g.drawRect(xO, 2*size+yO, size, size);g.drawRect(size+xO, 2*size+yO, size, size);}}}}}方块及相关事件设计类
public class Diamonds {private int x; //坐标xprivate int y; //坐标yprivate Color color; //颜色private int type; //类型Random rm = new Random();private boolean status=true;//状态private int width;public Diamonds() {super();// TODO Auto-generated constructor stub}//方块初始化public Diamonds(int width) {super();this.width = width;this.x = rm.nextInt(width-3);this.y = 0;//this.color = Color.GREEN;this.color = new Color(rm.nextInt(255),rm.nextInt(255),rm.nextInt(255));this.type = rm.nextInt(16);}//向左移动public void left(Map map) {int[][]map_xy = map.getMap();if(x!=0) {switch(type){case 0:if(map_xy[x-1][y]==0) {x--;} break;case 1:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0 && map_xy[x-1][y+2]==0 && map_xy[x-1][y+3]==0) {x--;} break;case 2:if(map_xy[x][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 3:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0 && map_xy[x-1][y+2]==0) {x--;} break;case 4:if(map_xy[x-1][y]==0 && map_xy[x][y+1]==0) {x--;} break;case 5:if(map_xy[x][y]==0 && map_xy[x-1][y+1]==0 && map_xy[x][y+2]==0) {x--;} break;case 6:if(map_xy[x][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 7:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 8:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 9:if(map_xy[x-1][y]==0 && map_xy[x][y+1]==0) {x--;} break;case 10:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 11:if(map_xy[x+1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 12:if(map_xy[x-1][y]==0 && map_xy[x][y+1]==0 && map_xy[x][y+2]==0) {x--;} break;case 13:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 14:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0 && map_xy[x-1][y+2]==0) {x--;} break;case 15:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0) {x--;} break;case 16:if(map_xy[x-1][y]==0 && map_xy[x-1][y+1]==0 && map_xy[x-1][y+2]==0) {x--;} break;case 17:if(map_xy[x-1][y]==0 && map_xy[x+1][y+1]==0) {x--;} break;case 18:if(map_xy[x][y]==0 && map_xy[x][y+1]==0 && map_xy[x-1][y+2]==0) {x--;} break;}}}//向右移动public void right(Map map) {int[][]map_xy = map.getMap();switch(type) {case 0: if(x<width-4 && map_xy[x+4][y]==0) {x++;}break;case 1: if(x<width-1 && map_xy[x+1][y]==0 && map_xy[x+1][y+1]==0 && map_xy[x+1][y+2]==0 && map_xy[x+1][y+3]==0) {x++;}break;case 2: if(x<width-3 && map_xy[x+2][y]==0 && map_xy[x+3][y+1]==0) {x++;}break;case 3: if(x<width-2 && map_xy[x+1][y]==0 && map_xy[x+2][y+1]==0 && map_xy[x+1][y+2]==0) {x++;}break;case 4: if(x<width-3 && map_xy[x+3][y]==0 && map_xy[x+2][y+1]==0) {x++;}break;case 5: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0 && map_xy[x+2][y+2]==0) {x++;}break;case 6: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0) {x++;}break;case 7: if(x<width-2 && map_xy[x+1][y]==0 && map_xy[x+2][y+1]==0) {x++;}break;case 8: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+1][y+1]==0) {x++;}break;case 9: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0) {x++;}break;case 10: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0) {x++;}break;case 11: if(x<width-3 && map_xy[x+3][y]==0 && map_xy[x+3][y+1]==0) {x++;}break;case 12: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0 && map_xy[x+2][y+2]==0) {x++;}break;case 13: if(x<width-3 && map_xy[x+3][y]==0 && map_xy[x+1][y+1]==0) {x++;}break;case 14: if(x<width-2 && map_xy[x+1][y]==0 && map_xy[x+1][y+1]==0 && map_xy[x+2][y+2]==0) {x++;}break;case 15: if(x<width-3 && map_xy[x+1][y]==0 && map_xy[x+3][y+1]==0) {x++;}break;case 16: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+1][y+1]==0 && map_xy[x+1][y+2]==0) {x++;}break;case 17: if(x<width-3 && map_xy[x+3][y]==0 && map_xy[x+3][y+1]==0) {x++;}break;case 18: if(x<width-2 && map_xy[x+2][y]==0 && map_xy[x+2][y+1]==0 && map_xy[x+2][y+2]==0) {x++;}break;}}//向下移动public void movement(Map map){int[][]map_xy = map.getMap();Color[][]color_xy = map.getColor();//向下移动一格switch(type) {case 0:if(map_xy[x][y+1]==0 && map_xy[x+1][y+1]==0 && map_xy[x+2][y+1]==0 && map_xy[x+3][y+1]==0){y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+2][y]=1;map_xy[x+3][y]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+2][y]=color;color_xy[x+3][y]=color;status=false;}break;case 1:if(map_xy[x][y+4]==0){y+=1;}else {map_xy[x][y]=1;map_xy[x][y+1]=1;map_xy[x][y+2]=1;map_xy[x][y+3]=1;color_xy[x][y]=color;color_xy[x][y+1]=color;color_xy[x][y+2]=color;color_xy[x][y+3]=color;status=false;}break;case 2:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0 && map_xy[x+2][y+2]==0) {y+=1;}else {map_xy[x+1][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;map_xy[x+2][y+1]=1;color_xy[x+1][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;color_xy[x+2][y+1]=color;status=false;}break;case 3:if(map_xy[x][y+3]==0 && map_xy[x+1][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;map_xy[x][y+2]=1;color_xy[x][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;color_xy[x][y+2]=color;status=false;}break;case 4:if(map_xy[x][y+1]==0 && map_xy[x+1][y+2]==0 && map_xy[x+2][y+1]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+2][y]=1;map_xy[x+1][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+2][y]=color;color_xy[x+1][y+1]=color;status=false;}break;case 5:if(map_xy[x][y+2]==0 && map_xy[x+1][y+3]==0) {y+=1;}else {map_xy[x+1][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;map_xy[x+1][y+2]=1;color_xy[x+1][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;color_xy[x+1][y+2]=color;status=false;}break;case 6:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0) {y+=1;}else {map_xy[x+1][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;color_xy[x+1][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;status=false;}break;case 7:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;color_xy[x][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;status=false;}break;case 8:if(map_xy[x][y+2]==0 && map_xy[x+1][y+1]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x][y+1]=color;status=false;}break;case 9:if(map_xy[x][y+1]==0 && map_xy[x+1][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+1][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+1][y+1]=color;status=false;}break;case 10:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;status=false;}break;case 11:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0 && map_xy[x+2][y+2]==0) {y+=1;}else {map_xy[x+2][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;map_xy[x+2][y+1]=1;color_xy[x+2][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;color_xy[x+2][y+1]=color;status=false;}break;case 12:if(map_xy[x][y+1]==0 && map_xy[x+1][y+3]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+1][y+1]=1;map_xy[x+1][y+2]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+1][y+1]=color;color_xy[x+1][y+2]=color;status=false;}break;case 13:if(map_xy[x][y+2]==0 && map_xy[x+1][y+1]==0 && map_xy[x+2][y+1]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+2][y]=1;map_xy[x][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+2][y]=color;color_xy[x][y+1]=color;status=false;}break;case 14:if(map_xy[x][y+3]==0 && map_xy[x+1][y+3]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x][y+1]=1;map_xy[x][y+2]=1;map_xy[x+1][y+2]=1;color_xy[x][y]=color;color_xy[x][y+1]=color;color_xy[x][y+2]=color;color_xy[x+1][y+2]=color;status=false;}break;case 15:if(map_xy[x][y+2]==0 && map_xy[x+1][y+2]==0 && map_xy[x+2][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x][y+1]=1;map_xy[x+1][y+1]=1;map_xy[x+2][y+1]=1;color_xy[x][y]=color;color_xy[x][y+1]=color;color_xy[x+1][y+1]=color;color_xy[x+2][y+1]=color;status=false;}break;case 16:if(map_xy[x][y+3]==0 && map_xy[x+1][y+1]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x][y+1]=1;map_xy[x][y+2]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x][y+1]=color;color_xy[x][y+2]=color;status=false;}break;case 17:if(map_xy[x][y+1]==0 && map_xy[x+1][y+1]==0 && map_xy[x+2][y+2]==0) {y+=1;}else {map_xy[x][y]=1;map_xy[x+1][y]=1;map_xy[x+2][y]=1;map_xy[x+2][y+1]=1;color_xy[x][y]=color;color_xy[x+1][y]=color;color_xy[x+2][y]=color;color_xy[x+2][y+1]=color;status=false;}break;case 18:if(map_xy[x][y+3]==0 && map_xy[x+1][y+3]==0) {y+=1;}else {map_xy[x+1][y]=1;map_xy[x+1][y+1]=1;map_xy[x][y+2]=1;map_xy[x+1][y+2]=1;color_xy[x+1][y]=color;color_xy[x+1][y+1]=color;color_xy[x][y+2]=color;color_xy[x+1][y+2]=color;status=false;}break;}map.setMap(map_xy);map.setColor(color_xy);}public int getX() {return x;}public void setX(int x) {this.x = x;}public int getY() {return y;}public void setY(int y) {this.y = y;}public Color getColor() {return color;}public void setColor(Color color) {this.color = color;}public int getType() {return type;}public void setType(int type) {this.type = type;}public boolean isStatus() {return status;}public void setStatus(boolean status) {this.status = status;}}Java的优点是什么
1. 简单，只需理解基本的概念，就可以编写适合于各种情况的应用程序；2. 面向对象；3. 分布性，Java是面向网络的语言；4. 鲁棒性，java提供自动垃圾收集来进行内存管理，防止程序员在管理内存时容易产生的错误。；5. 安全性，用于网络、分布环境下的Java必须防止病毒的入侵。6. 体系结构中立，只要安装了Java运行时系统，就可在任意处理器上运行。7. 可移植性，Java可以方便地移植到网络上的不同机器。8.解释执行，Java解释器直接对Java字节码进行解释执行。
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