Finding the selected button in a ButtonGroup : ButtonGroup « Swing « Java Tutorial

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Java Tutorial » Swing » ButtonGroup 
14. 10. 2. Finding the selected button in a ButtonGroup
Finding the selected button in a ButtonGroup
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.util.Enumeration;
import javax.swing.AbstractButton;
import javax.swing.BorderFactory;
import javax.swing.ButtonGroup;
import javax.swing.JCheckBox;
import javax.swing.JCheckBoxMenuItem;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JRadioButtonMenuItem;
import javax.swing.JToggleButton;
import javax.swing.border.Border;
public class FindingAButtonGroup {
  public static void main(String args[]) {
    JFrame frame = new JFrame("Button Group");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel panel = new JPanel(new GridLayout(01));
    Border border = BorderFactory.createTitledBorder("Examples");
    panel.setBorder(border);
    ButtonGroup group = new ButtonGroup();
    AbstractButton abstract1 = new JToggleButton("Toggle Button");
    panel.add(abstract1);
    group.add(abstract1);
    AbstractButton abstract2 = new JRadioButton("Radio Button");
    panel.add(abstract2);
    group.add(abstract2);
    AbstractButton abstract3 = new JCheckBox("Check Box");
    panel.add(abstract3);
    group.add(abstract3);
    AbstractButton abstract4 = new JRadioButtonMenuItem("Radio Button Menu Item");
    panel.add(abstract4);
    group.add(abstract4);
    AbstractButton abstract5 = new JCheckBoxMenuItem("Check Box Menu Item");
    panel.add(abstract5);
    group.add(abstract5);
    frame.add(panel, BorderLayout.CENTER);
    frame.setSize(300200);
    frame.setVisible(true);
    group.setSelected(abstract1.getModel()true);
    Enumeration elements = group.getElements();
    while (elements.hasMoreElements()) {
      AbstractButton button = (AbstractButton)elements.nextElement();
      if (button.isSelected()) {
        System.out.println("The winner is: " + button.getText());
      }
    }
  }
}
14. 10. ButtonGroup
14. 10. 1. Using ButtonGroup to group buttonsUsing ButtonGroup to group buttons
14. 10. 2. Finding the selected button in a ButtonGroupFinding the selected button in a ButtonGroup
14. 10. 3. Setting selected button in a button groupSetting selected button in a button group
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