Add a method to the class Binary Tree that accepts as its argument a Binary Tree object and returns true if the argument tree is structurally identical to this binary tree. Two trees are structurally...

Add a method to the class Binary Tree that accepts as its argument a Binary Tree object and returns true if the argument tree is structurally identical to this binary tree. Two trees are structurally identical if their nodes have corresponding positions. The header of the method could be as follows:

Write this method, using a private recursive method of the same name.