Introduction - If you have any usage issues, please Google them yourself
Binary tree is recursively defined, and its sub-tree nodes are so divided, there are five basic logical form of binary tree: (1) empty binary tree- (a) (2) there is only one root node Binary Tree- (b) (3) the right subtree of the binary tree is empty- (c) (4) the left subtree of the binary tree is empty- (d) (5) completely Binary Tree- (e) Note: Although the binary tree and the tree has many similarities, but the binary tree is not a special case.