Question: Q2) 3) To class Tree, add printByLevel() which prints all nodes level by level, for example if you have the following tree, when you call

Q2) 3) To class Tree, add printByLevel() which prints all nodes

Q2) 3) To class Tree, add printByLevel() which prints all nodes level by level, for example if you have the following tree, when you call the method printByLevel, the output should be 1 2 3 4 5 6 7 (Hint: you might use another data structure). (1 pts) 4 5 6

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