Provide visual organization and structure.
A Group can display some text along its top, specified by the setText() method.
A Group derives from Composite, and it can contain other widgets.
Group Styles:
StyleDescription
SWT.SHADOW_ETCHED_INCreates a Group with the "etched in" shadow style.
SWT.SHADOW_ETCHED_OUTCreates a Group with the "etched out" shadow style.
SWT.SHADOW_INCreates a Group with the "in" shadow style, which isn't necessarily popular.
SWT.SHADOW_OUTCreates a Group with the "out" shadow style.
SWT.SHADOW_NONECreates a Group with no shadow style.
SWT.NO_RADIO_GROUPCreate a Group without grouping radio button