jxframe.java

输出改变屏幕颜色的程序和读取一列数并且对它进行排序

import java.awt.event.*;

import javax.swing.*;

public class JxFrame extends JFrame {

	public JxFrame(String title) {
		super(title);
		setCloseClick();
		setLF();
	}

	private void setLF() {
		String laf = UIManager.getSystemLookAndFeelClassName();
		try {
			UIManager.setLookAndFeel(laf);
		} catch (UnsupportedLookAndFeelException exc) {
			System.out.println("不支持的界面主题: " + laf);
		} catch (Exception exc) {
			System.out.println("错误 " + laf + ": " + laf);
		}
	}

	private void setCloseClick() {
		addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e) {
				System.exit(0);
			}
		});
	}

}