Question: In the section describing the JTree class, we used the term root for the node that is passed as an argument to the JTree constructor.

In the section describing the JTree class, we used the term root for the node that is passed as an argument to the JTree constructor. Why use the word root?

In the section describing the JTree class, we used the terms parent node, child node, subtree, and terminal node. Define these terms in your own words.

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