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# Code for Building Blocks

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    package com.trolltech.examples.tutorial;

    import com.trolltech.qt.gui.*;
    import com.trolltech.qt.core.*;

    public class Blocks extends QWidget
    {
        public Blocks()
        {
            QPushButton quit = new QPushButton(tr("Quit"));
            quit.setFont(new QFont("Times", 18, QFont.Weight.Bold.value()));

            QLCDNumber lcd = new QLCDNumber(2);
            lcd.setSegmentStyle(QLCDNumber.SegmentStyle.Filled);

            QSlider slider = new QSlider(Qt.Orientation.Horizontal);
            slider.setRange(0, 99);
            slider.setValue(0);

            quit.clicked.connect(QApplication.instance(), "quit()");
            slider.valueChanged.connect(lcd, "display(int)");

            QVBoxLayout layout = new QVBoxLayout();
            layout.addWidget(quit);
            layout.addWidget(lcd);
            layout.addWidget(slider);
            setLayout(layout);
            setWindowTitle(tr("Building Blocks"));
        }

        public static void main(String args[])
        {
            QApplication.initialize(args);

            Blocks widget = new Blocks();
            widget.show();

            QApplication.exec();
        }
    }