package?appstu;

import?java.awt.Toolkit;
import?javax.swing.SwingUtilities;
import?javax.swing.UIManager;
import?java.awt.Dimension;
import?appstu.view.AppMain;
import?appstu.util.CommonaJdbc;
import?appstu.view.JF_login;
public?class?AppStu?{
????boolean?packframe?=?false;

????/**
?????*?Construct?and?show?the?application.
?????*/
????public?AppStu（）?{
????????CommonaJdbc?Jdbc?=?new?CommonaJdbc（）;
????????if?（Jdbc?!=?null）{
????????????JF_login?frame?=?new?JF_login（）;
????????}

???????//?AppMain?frame?=?new?AppMain（）;
????????//?Validate?frames?that?have?preset?sizes
????????//?Pack?frames?that?have?useful?preferred?size?info?e.g.?from?their?layout
????????/*if?（packframe）?{
????????????frame.pack（）;
????????}?else?{
????????????frame.validate（）;
????????}

????????//?Center?the?window
????????Dimension?screenSize?=?Toolkit.getDefaultToolkit（）.getScreenSize（）;
????????Dimension?frameSize?=?frame.getSize（）;
????????if?（frameSize.height?>?screenSize.height）?{
???????????