The JSlider
‘s setLabelTable()
method allows you to define a custom labels for the JSlider
. The label table is a Hashtable
that contains an Integer
number as the keys and a JLabel
component as their values. The integer keys correspond to the JSlider
tick where the labels will be customized.
package org.kodejava.swing;
import javax.swing.*;
import java.awt.*;
import java.util.Hashtable;
public class JSliderCustomLabel extends JPanel {
public JSliderCustomLabel() {
initializeUI();
}
public static void showFrame() {
JPanel panel = new JSliderCustomLabel();
JFrame frame = new JFrame("JSlider Custom Label");
frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
frame.setContentPane(panel);
frame.pack();
frame.setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(JSliderCustomLabel::showFrame);
}
private void initializeUI() {
setLayout(new BorderLayout());
setPreferredSize(new Dimension(500, 200));
JSlider slider = new JSlider(JSlider.VERTICAL, 0, 40, 0);
slider.setMinorTickSpacing(1);
slider.setMajorTickSpacing(5);
slider.setPaintTicks(true);
Hashtable<Integer, JLabel> labels = new Hashtable<>();
labels.put(0, new JLabel("Freezing"));
labels.put(15, new JLabel("Cold"));
labels.put(25, new JLabel("Warm"));
labels.put(35, new JLabel("Hot"));
slider.setLabelTable(labels);
slider.setPaintLabels(true);
add(slider, BorderLayout.CENTER);
}
}
The screen capture of the example above is:
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