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What are the differences between JRadioButton and JCheckBox in Java?
Both JRadioButton and JCheckBox components can extend JToggleButton class, the main difference is that JRadioButton is a group of buttons in which only one button can be selected at a time whereas JCheckBox is a group of checkboxes in which multiple items can be selected at a time.
JRadioButton
- A JRadioButton is a component that represents an item with a state selected or unselected. Usually, a group of radio buttons is created to provide options to the user, but only one option can be selected at a time.
- JRadioButton will generate an ActionListener, ChangeListener, and ItemListener interfaces.
- The radio buttons are often used in a group to display multiple options, therefore, they are used with ButtonGroup class. The ButtonGroup has a property that only one button in a group is selected at a given time and it does not have the visual appearance.
- The important methods of JRadioButton are setText(), getText(), setEnabled(),setMnemonic() and etc.
Example
import java.awt.*;
import javax.swing.*;
public class JRadioButtonTest extends JFrame {
public JRadioButtonTest() {
super("JRadioButton Test");
JRadioButton jrb1 = new JRadioButton("Java");
JRadioButton jrb2 = new JRadioButton("Python");
JRadioButton jrb3 = new JRadioButton("Scala");
ButtonGroup group = new ButtonGroup();
group.add(jrb1);
group.add(jrb2);
group.add(jrb3);
setLayout(new FlowLayout());
add(jrb1);
add(jrb2);
add(jrb3);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(450,375);
setLocationRelativeTo(null);
setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new JRadioButtonTest();
}
});
}
}Output
JCheckBox
- A JCheckBox is a component that represents an item which shows a state of selected or unselected. We can change this state by clicking on the checkbox of the component.
- A standard JCheckBox component contains a checkbox and a label that describes the purpose of the checkbox.
- A JCheckBox can generate either ItemListener or ActionListener interfaces.
- The important methods of JCheckBox are setLabel(), getLabel(), setState(), getState() and etc.
Example
import java.awt.*;
import javax.swing.*;
public class JCheckBoxTest extends JFrame {
JCheckBoxTest() {
super("JCheckBox Test");
JLabel lblHobbies = new JLabel("Languages");
JCheckBox chkSports = new JCheckBox("Java");
JCheckBox chkMusic = new JCheckBox("Python ",true);
JCheckBox chkReading = new JCheckBox("Scala");
setLayout(new FlowLayout());
add(lblHobbies);
add(chkSports);
add(chkMusic);
add(chkReading);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setSize(450,375);
setLocationRelativeTo(null);
setVisible(true);
}
public static void main(String[] args) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
new JCheckBoxTest();
}
});
}
}Output
Updated on: 07-Feb-2020
2K+ Views
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