Java JSpinner

by Online Tutorials Library July 14, 2022

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.

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 Jspiner 1

Java JSpinner Example with ChangeListener

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ort javax.swing.*;   import javax.swing.event.*; public class SpinnerExample { public static void main(String[] args) {   JFrame f=new JFrame(“Spinner Example”);   final JLabel label = new JLabel();                        label.setHorizontalAlignment(JLabel.CENTER);                label.setSize(250,100);   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.add(label);            f.setSize(300,300);              f.setLayout(null);              f.setVisible(true);               spinner.addChangeListener(new ChangeListener() {         public void stateChanged(ChangeEvent e) {          label.setText(“Value : ” + ((JSpinner)e.getSource()).getValue());         }      }); } } 

Output:

Java Jspiner 2

Next TopicJava JDialog

Java JSpinner

Java JSpinner

JSpinner class declaration

Commonly used Contructors:

Commonly used Methods:

Java JSpinner Example

Java JSpinner Example with ChangeListener

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