Question: Write a recursive method sizeBalanced , member of the class BT (Binary Tree), that returns true if the tree is empty, or, at every node,

Write a recursive method sizeBalanced , member of the class BT (Binary Tree), that returns true if the tree is empty, or, at every node, the absolute value of the difference between the number of nodes in the two subtrees of the node is at most 1. The method signature is: public int sizeBalanced() (this method calls the private recursive method recSizeBalanced ).

balance at E is-1,at C is-1,at B is-1,but at A ,thesizebalanceis2-4=-2.

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