Java JSpinner
The object of JSpinner class is a single line input field that allows the user to select a number or an object value from an ordered sequence.
JSpinner class declaration
Let's see the declaration for javax.swing.JSpinner class.
public class JSpinner extends JComponent implements Accessible
Commonly used Contructors:
Constructor
Description
JSpinner()
It is used to construct a spinner with an Integer SpinnerNumberModel with initial value 0 and no minimum or maximum limits.
JSpinner(SpinnerModel model)
It is used to construct a spinner for a given model.
Commonly used Methods:
Method
Description
void addChangeListener(ChangeListener listener)
It is used to add a listener to the list that is notified each time a change to the model occurs.
Object getValue()
It is used to return the current value of the model.
Java JSpinner Example
import javax.swing.*;
public class SpinnerExample {
public static void main(String[] args) {
JFrame f=new JFrame("Spinner Example");
SpinnerModel value =
new SpinnerNumberModel(5, //initial value
0, //minimum value
10, //maximum value
1); //step
JSpinner spinner = new JSpinner(value);
spinner.setBounds(100,100,50,30);
f.add(spinner);
f.setSize(300,300);
f.setLayout(null);
f.setVisible(true);
Output:
Java JSpinner Example with ChangeListener
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