SWT JFace Question:

Viewers are used to display objects using different SWT widgets. Types of viewers are as follows:

The ListViewer uses the SWT List widget to display the object. A simple list of elements can be created by using ListViewer.
The CheckboxTableViewer uses the SWT widget to display the objects of checkboxes.
The CheckboxTreeViewer uses the SWT table control with checkboxes on each node.
The CheckboxTreeViewer uses the SWT Tree control with checkboxes on each node.
The TableTreeViewer uses the SWT Table Tree control.
TableViewer, uses the SWT TableViewer control.
TreeViewer, uses the SWT TreeViewer control.