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A Node is any element in a tree. A leaf is any element in a tree that has no children. The code you pasted above creates a Node or a Leaf accordingly.
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Java Visitor Pattern
You are viewing a single comment's thread. Return to all comments →
A Node is any element in a tree. A leaf is any element in a tree that has no children. The code you pasted above creates a Node or a Leaf accordingly.
HackerRank solutions.