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How to get or set the selection state of JCheckBox in Java
The following is an example to get or set the selection state of JCheckBox:
Example
import java.awt.FlowLayout;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
public class SwingDemo extends JFrame {
public SwingDemo() {
setSize(500, 500);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLayout(new FlowLayout(FlowLayout.CENTER));
JCheckBox checkBox = new JCheckBox("Demo");
checkBox.setSelected(true);
boolean sel = checkBox.isSelected();
if (sel)
System.out.println("Check box selected!");
getContentPane().add(checkBox);
}
public static void main(String[] args) {
new SwingDemo().setVisible(true);
}
}Output
Since the checkbox is selected by default, the following output would be visible in EclipseIDE:
Updated on: 30-Jul-2019
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