updateflicker.java

来自「learning java的源代码。书中每个实例都有相关的代码example。」· Java 代码 · 共 26 行

//file: UpdateFlicker.java
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class UpdateFlicker {
  public static void main(String[] args) {
    String imageFile = "L1-Light.jpg";
    if (args.length > 0) imageFile = args[0];
    Image i = Toolkit.getDefaultToolkit(  ).getImage(
        TerribleFlicker.class.getResource(imageFile));
    JFrame f = new JFrame("UpdateFlicker");
    Container content = new Panel(new BorderLayout(  )) {
        public void update(Graphics g) { paint(g); }
    };
    content.add(new TerribleFlicker(i), BorderLayout.CENTER);
    f.setContentPane(content);
    f.setSize(300, 300);
    f.setLocation(100, 100);
    f.addWindowListener(new WindowAdapter(  ) {
      public void windowClosing(WindowEvent e) { System.exit(0); }
    });
    f.setVisible(true);
  }
}