de_DE
en_GB

public class MyEntryPoint implements IEntryPoint {

	public int createUI() {
		Display display = new Display();
		Shell shell = new Shell(display, SWT.TITLE);
		
		System.out.println(RWT.getLocale().toString());
		
		try {
			IRunnableWithProgress runnable = new IRunnableWithProgress() {
				public void run(final IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
					System.out.println(RWT.getLocale().toString());
				}
			};
			ModalContext.run(runnable, true, new NullProgressMonitor(), shell.getDisplay());
		} catch (InvocationTargetException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		shell.open();

		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}
		return 0;
	}

}