Java by API/org.eclipse.swt.widgets/Group

new Group(Composite parent, int style)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.ruposite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display d = new Display();
    Shell s = new Shell(d);
    s.setText("A Shell Composite Example");
    GroupExample ge = new GroupExample(s, SWT.SHADOW_ETCHED_IN);
    ge.setLocation(20, 20);
    s.open();
    while (!s.isDisposed()) {
      if (!d.readAndDispatch())
        d.sleep();
    }
    d.dispose();
  }
}
class GroupExample extends Composite {
  final Button b1;
  final Button b2;
  final Button b3;
  public GroupExample(Composite c, int style) {
    super(c, SWT.NO_BACKGROUND);
    this.setSize(110, 75);
    this.setLayout(new FillLayout());
    final Group g = new Group(this, style);
    g.setSize(110, 75);
    g.setText("Options Group");
    b1 = new Button(g, SWT.RADIO);
    b1.setBounds(10, 20, 75, 15);
    b1.setText("Option One");
    b2 = new Button(g, SWT.RADIO);
    b2.setBounds(10, 35, 75, 15);
    b2.setText("Option Two");
    b3 = new Button(g, SWT.RADIO);
    b3.setBounds(10, 50, 80, 15);
    b3.setText("Option Three");
  }
  public String getSelected() {
    if (b1.getSelection())
      return "Option One";
    if (b2.getSelection())
      return "Option Two";
    if (b3.getSelection())
      return "Option Three";
    return "None Selected";
  }
}

new Group(Shell shell, SWT.NO_RADIO_GROUP)

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.layout.RowLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
public class MainClass {
  public static void main(String[] a) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());
    // Create the first group
    Group group1 = new Group(shell, SWT.SHADOW_IN);
    group1.setText("Who"s your favorite?");
    group1.setLayout(new RowLayout(SWT.VERTICAL));
    new Button(group1, SWT.RADIO).setText("A");
    new Button(group1, SWT.RADIO).setText("B");
    new Button(group1, SWT.RADIO).setText("C");
    new Button(group1, SWT.RADIO).setText("D");
    // Create the second group
    Group group2 = new Group(shell, SWT.NO_RADIO_GROUP);
    group2.setText("Who"s your favorite?");
    group2.setLayout(new RowLayout(SWT.VERTICAL));
    new Button(group2, SWT.RADIO).setText("1");
    new Button(group2, SWT.RADIO).setText("2");
    new Button(group2, SWT.RADIO).setText("3");
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
    display.dispose();
  }
}