windowdemo.java

Java语言

import java.awt.*;
import javax.swing.*;
public class WindowDemo{
	public static void main(String[] s){
		JFrame f = new JFrame("First Frame");
		f.setLocation(100, 100);
		f.setSize(200,200);	
			f.setVisible(true);
		f.setBackground(Color.red);
//		f.show();

	}
}