Create a radio menu item and deselects it : MenuItem « SWT « Java Tutorial

1. Java Tutorial
2. SWT
3. MenuItem

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.swt.widgets.Shell;

public class RadioMenuItemDeselected {
  public static void main(String[] args) {
    Display display = new Display();
    Shell shell = new Shell(display);
    shell.setLayout(new GridLayout());

    Menu menuBar = new Menu(shell, SWT.BAR);

    Menu fileMenu = new Menu(menuBar);

    MenuItem fileItem = new MenuItem(menuBar, SWT.CASCADE | SWT.NO_RADIO_GROUP);
    fileItem.setText("File");
    fileItem.setMenu(fileMenu);

    MenuItem itema = new MenuItem(fileMenu, SWT.RADIO);
    itema.setText("Radio A");
    itema.setSelection(true);
    
    MenuItem itemb = new MenuItem(fileMenu, SWT.RADIO);
    itemb.setText("Radio B");
    MenuItem itemc = new MenuItem(fileMenu, SWT.RADIO);
    itemc.setText("Radio C");

    shell.setMenuBar(menuBar);
    shell.open();
    while (!shell.isDisposed()) {
      if (!display.readAndDispatch()) {
        display.sleep();
      }
    }
  }
}

17.32.MenuItem
	17.32.1.	Create menu items as part of a radio group using the SWT.RADIO style
	17.32.2.	Add Image to MenuItem
	17.32.3.	Disable MenuItem
	17.32.4.	Set CheckBox Menu selected
	17.32.5.	Create a radio menu item and deselects it
	17.32.6.	CheckBox Menu
	17.32.7.	Set Accelerator for MenuItem
	17.32.8.	Update a status line when an item is armed