Question: Write a recursive Binary Tree traversal program in Java (do not use the built in class) to 1) insert the numbers: use 47, 32, 59,
Write a recursive Binary Tree traversal program in Java (do not use the built in class) to
1) insert the numbers: use 47, 32, 59, 62, 21
2) Print those numbers out in order (go left, visit, go right).
3) Print those numbers out pre-order (visit, go left, go right).
4) Print those numbers out post-order (go left, go right, visit).
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