框架的icon图标显示不出?
我在JBG下调试运行下面的程序,没有出现什么错误提示。
icon图标文件同程序文件在同一个目录下 ,不知为什么怎么不能显示框架的icon图标?
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class CenterFrameTest {
public static void main(String args[]) {
CenterFrame frame = new CenterFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.show();
}
}
class CenterFrame extends JFrame {
public CenterFrame()
{
Toolkit kit = Toolkit.getDefaultToolkit();
Dimension screenSize = kit.getScreenSize();
int screenHeight = screenSize.height;
int screenWidth = screenSize.width;
setSize(screenWidth/2, screenHeight/2);
setLocation(screenWidth/4, screenHeight/4);
Image img = kit.getImage("icong.gif");
setIconImage(img);
setTitle("CenterFrame");
}
}