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All the List and Map objects are mutable, meaning their contents can be changed, reordered, added to, or deleted, and the change
Submitted by harris on Sun, 03/01/2009 - 12:13.
Back to:
www.javaworld.com/javaworld/jw-05-2000/jw-0518-jdom.html.
All the List and Map objects are mutable, meaning their contents can be changed, reordered, added to, or deleted, and the change will affect the Document itself -- unless you explicitly copy the List or Map first. We'll get deeper into that in Part 2 of the article Play Fun Games