俄羅斯方塊 Java源代碼 Eclipse能運行的。要求如下圖，謝謝

import java.awt.*; \x0d\import java.awt.event.*; \x0d\import javax.swing.*; \x0d\public class Els extends JFrame implements KeyListener,Runnable \x0d\{\x0d\public Els() \x0d\{ \x0d\setSize(240,320); \x0d\setUndecorated(true); \x0d\int H=(int) (this.getToolkit().getScreenSize().height); \x0d\int W=(int) (this.getToolkit().getScreenSize().width); \x0d\setLocation(W/2-120,H/2-160); \x0d\setResizable(false); \x0d\setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); \x0d\} \x0d\public void paint(Graphics g) \x0d\{ \x0d\super.paint(g); \x0d\Graphics2D g2=(Graphics2D)g; \x0d\ g2.setColor(Color.darkGray.brighter().brighter()); \x0d\ \x0d\ //繪制小框格 \x0d\ for(int m=192;m

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