import org.kde.qt.*; public class Tut3 extends QObject { public static void main(String[] args) { QApplication a = new QApplication(args); QVBox box = new QVBox(); box.resize(200, 120); QPushButton quit = new QPushButton("Quit", box); quit.setFont(new QFont("Times", 18, QFont.Bold, false)); connect(quit, SIGNAL("clicked()"), a, SLOT("quit()")); a.setMainWidget(box); box.show(); a.exec(); } static { try { Class c = Class.forName("org.kde.qt.qtjava"); } catch (Exception e) { e.printStackTrace(); System.out.println("Can't load qtjava class"); } } }