drawer.java~3~

北大青鸟同学写的画板程序,可供新手学习.

package draw;

import java.awt.BorderLayout;
import java.awt.Dimension;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class Drawer extends JFrame {
    JPanel contentPane;
    BorderLayout borderLayout1 = new BorderLayout();

    public Drawer() {
        try {
            setDefaultCloseOperation(EXIT_ON_CLOSE);
            jbInit();
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }

    /**
     * Component initialization.
     *
     * @throws java.lang.Exception
     */
    private void jbInit() throws Exception {
        contentPane = (JPanel) getContentPane();
        contentPane.setLayout(borderLayout1);
        setSize(new Dimension(400, 300));
        this.setVisible(true);
        setTitle("画板");
    }
    public static void main(String[] agrs)
    {
        new  Drawer();
    }
}