Question: Write a method: public void levelOrder(BinaryTree tree) that would perform a level-order traversal of the specified binary tree, tree, printing the entry at each node

Write a method:

public void levelOrder(BinaryTree tree)

that would perform a level-order traversal of the specified binary tree, tree, printing the entry at each node as it is visited. Use a queue initially containing the root of the tree. Iterate as long as the queue is not empty. Visit a dequeued node, and enqueuer all its children.

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