Low-level java gui Containers - special purpose - JSrollPane, JTabbedPane

JScrollPane - Holds textarea, list, (or large images in label) and adds scroll bars as necessary.
scr =	new JScrollPane(textarea);	Surrounds textarea with scrollbars as needed.
JTabbedPane - Display tabs to allow user to select one of many panels.
tp =	new JTabbledPane();	Constructor. Creates new tabbed pane.
tp =	new JTabbledPane(place);	Constructor. placement is JTabbedPane.TOP (default), BOTTOM, LEFT, or RIGHT.
tp =	new JTabbledPane(place, ovrfl);	Constructor. ovrfl tells what to do if too many tabs: JTabbedPane.WRAP_TAB_LAYOUT or .SCROLL_TAB_LAYOUT.
	tp.addTab(title, comp);	Adds tab labelled with string title which displays comp (usually JPanel).
	tp.addTab(title, icon, comp);	Used string and icon for tab label.