Write a tostring method for a binary tree of integers

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Reference no: EM131412791

Write a toString method for a binary tree of integers. The method should return "empty" for an empty tree. For a leaf node, it should return the data in the node as a string. For a branch node, it should return a parenthesized String that has three elements separated by commas: the data at the root, a string representation of the left subtree, and then a string representation of the right subtree. For example, if a variable t refers to reference tree #2, then the call t.toString() should return the following String (without the surrounding quotes):

Reference no: EM131412791

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