Get or set the selection state of JCheckBox : CheckBox Button « Swing JFC « Java

Get or set the selection state of JCheckBox


import java.awt.FlowLayout;

import javax.swing.JCheckBox;
import javax.swing.JFrame;

public class CheckBoxState extends JFrame {
  public CheckBoxState() {
    setSize(300, 300);
    setLayout(new FlowLayout(FlowLayout.LEFT));

    JCheckBox checkBox = new JCheckBox("Check me!");

    boolean selected = checkBox.isSelected();
    if (selected) {
      System.out.println("Check box state is selected.");
    } else {
      System.out.println("Check box state is not selected.");


  public static void main(String[] args) {
    new CheckBoxState().setVisible(true);


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