Per creare un progetto Java/WindowBuilder, dopo aver installato Eclipse, si clicca File/New/Other/WindowBuilder/SwingDesigner/Application
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package com.test.swing2;
import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JProgressBar;
import java.awt.BorderLayout;
import javax.swing.JLabel;
import javax.swing.JSlider;
import javax.swing.event.ChangeListener;
import javax.swing.event.ChangeEvent;
import javax.swing.SwingConstants;
public class Swing2 {
private JFrame frmProgressBar;
/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
Swing2 window = new Swing2();
window.frmProgressBar.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}
/**
* Create the application.
*/
public Swing2() {
initialize();
}
/**
* Initialize the contents of the frame.
*/
private void initialize() {
frmProgressBar = new JFrame();
frmProgressBar.setTitle("Progress Bar");
frmProgressBar.setBounds(100, 100, 279, 94);
frmProgressBar.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
final JProgressBar progressBar_1 = new JProgressBar();
frmProgressBar.getContentPane().add(progressBar_1, BorderLayout.SOUTH);
final JSlider slider = new JSlider();
frmProgressBar.getContentPane().add(slider, BorderLayout.NORTH);
final JLabel lblNewLabel = new JLabel("50");
lblNewLabel.setHorizontalAlignment(SwingConstants.CENTER);
frmProgressBar.getContentPane().add(lblNewLabel, BorderLayout.CENTER);
slider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent arg0) {
lblNewLabel.setText(Integer.toString(slider.getValue()));
progressBar_1.setValue(slider.getValue());
}
});
}
}
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