Syntax error How to disable JCheckBox if not checked in Java

How to disable JCheckBox if not checked in Java

The following is an example to disable JCheckBox if not checked in Java:

Example

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JCheckBox;
import javax.swing.JOptionPane;
public class SwingDemo {
   public static void main(String[] args) {
      JCheckBox checkBox = new JCheckBox("Demo", true);
      checkBox.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
            if (checkBox.isEnabled())
               checkBox.setEnabled(false);
            else
               checkBox.setEnabled(true);
         }
      });
      JOptionPane.showMessageDialog(null, checkBox);
   }
}

Output

Now, when you will uncheck the above checkbox, it will get disabled:

Updated on: 2019-07-30T22:30:26+05:30

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