JSlider class

The JSlider is used to create the slider. By using JSlider a user can select a value from a specific range.

Commonly used Constructors of JSlider class

• JSlider(): creates a slider with the initial value of 50 and range of 0 to 100.
• JSlider(int orientation): creates a slider with the specified orientation set by either JSlider.HORIZONTAL or JSlider.VERTICAL with the range 0 to 100 and initial value 50.
• JSlider(int min, int max): creates a horizontal slider using the given min and max.
• JSlider(int min, int max, int value): creates a horizontal slider using the given min, max and value.
• JSlider(int orientation, int min, int max, int value): creates a slider using the given orientation, min, max and value.

Commonly used Methods of JSlider class

1) public void setMinorTickSpacing(int n): is used to set the minor tick spacing to the slider.

2) public void setMajorTickSpacing(int n): is used to set the major tick spacing to the slider.

3) public void setPaintTicks(boolean b): is used to determine whether tick marks are painted.

4) public void setPaintLabels(boolean b): is used to determine whether labels are painted.

5) public void setPaintTracks(boolean b): is used to determine whether track is painted.

Simple example of JSlider class

1. import javax.swing.*;  
2.   
3. public class SliderExample1 extends JFrame{  
4.   
5. public SliderExample1() {  
6. JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 50, 25);  
7. JPanel panel=new JPanel();  
8. panel.add(slider);  
9.   
10. add(panel);  
11. }  
12.   
13. public static void main(String s[]) {  
14. SliderExample1 frame=new SliderExample1();  
15. frame.pack();  
16. frame.setVisible(true);  
17. }  
18. } 

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Example of JSlider class that paints ticks:

1. import javax.swing.*;  
2.   
3. public class SliderExample extends JFrame{  
4.   
5. public SliderExample() {  
6.   
7. JSlider slider = new JSlider(JSlider.HORIZONTAL, 0, 50, 25);  
8. slider.setMinorTickSpacing(2);  
9. slider.setMajorTickSpacing(10);  
10.   
11. slider.setPaintTicks(true);  
12. slider.setPaintLabels(true);  
13.   
14. JPanel panel=new JPanel();  
15. panel.add(slider);  
16. add(panel);  
17. }  
18.   
19. public static void main(String s[]) {  
20. SliderExample frame=new SliderExample();  
21. frame.pack();  
22. frame.setVisible(true);  
23.   
24. }  
25. }