📄 diamonds.java
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import java.io.*;
import java.awt.*;
import javax.swing.*;
import java.math.*;
import java.awt.event.*;
public class Diamonds extends JFrame
{
public Diamonds()
{
final JFrame f=new JFrame("俄罗斯方块");
JPanel content=new JPanel(new BorderLayout());
MidMiddle middle=new MidMiddle();
content.add(middle,BorderLayout.CENTER);
f.setContentPane(content);
f.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
f.pack();
f.setVisible(true);
f.setBackground(new Color(250,0,0));
f.setSize(502,395);
}
public static void main(String[] args)
{
;
Diamonds diamonds=new Diamonds();
}
}
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