frame1.java

来自「jbuilder2005」· Java 代码 · 共 38 行

package linetest;

import java.awt.*;
import javax.swing.*;

public class Frame1
    extends JFrame {
  JPanel contentPane;
  BorderLayout borderLayout1 = new BorderLayout();

  public Frame1() {
    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(300, 200));
    setTitle("画直线");
  }
  public void paint(Graphics g)   {
        g.drawLine(0,0,50,100);
        g.drawLine(100,10,100,100);
   }

}