JSlider lets the user graphically select a value by sliding a knob within a bounded interval.
import java.awt.Dimension;
import javax.swing.JFrame;
import javax.swing.JSlider;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
public class Slider {
public static void main(String[] args) {
JFrame f = new JFrame();
final JSlider slider = new JSlider(0, 150, 0);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
slider.setPreferredSize(new Dimension(150, 30));
slider.addChangeListener(new ChangeListener() {
public void stateChanged(ChangeEvent event) {
int value = slider.getValue();
if (value == 0) {
System.out.println("0");
} else if (value > 0 && value <= 30) {
System.out.println("value > 0 && value <= 30");
} else if (value > 30 && value < 80) {
System.out.println("value > 30 && value < 80");
} else {
System.out.println("max");
}
}
});
f.add(slider);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);
}
}
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