?? helloapp.java
字號:
package demofolder;
import javax.swing.UIManager;
import java.awt.*;
public class HelloApp {
public HelloApp() {
HelloFrame frame = new HelloFrame();
//取得屏幕大小
Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
//取得窗口大小
Dimension frameSize = frame.getSize();
//使窗口居中對齊
frame.setLocation( (screenSize.width - frameSize.width) / 2,
(screenSize.height - frameSize.height) / 2);
frame.setVisible(true);
}
public static void main(String[] args) {
try {
//以Windows風格顯示窗口
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
}
catch(Exception e) {
e.printStackTrace();
}
new HelloApp();
}
}
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