?? stuaddquerysysapp.java
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package stuaddquerysys;import java.awt.*;import javax.swing.UIManager;/** * Title: 學生地址查詢系統程序 * Description: 教學示范 * Copyright: Copyright (c) 2003 * Company: 北京師范大學計算機系 * @author 孫一林 * @version 1.0 */public class StuAddQuerySysApp { private boolean packFrame = false; public StuAddQuerySysApp() { StuAddQuerySysFrame frame = new StuAddQuerySysFrame(); if (packFrame) { frame.pack(); } else { frame.validate(); } Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize(); Dimension frameSize = frame.getSize(); if (frameSize.height > screenSize.height) { frameSize.height = screenSize.height; } if (frameSize.width > screenSize.width) { frameSize.width = screenSize.width; } frame.setLocation((screenSize.width - frameSize.width) / 2, (screenSize.height - frameSize.height) / 2); frame.setVisible(true); } public static void main(String[] args) { try { UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName()); } catch(Exception e) { e.printStackTrace(); } new StuAddQuerySysApp(); }}?? 快捷鍵說明
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