in java please use comments explaining when possible! 1. Implement the inner class InorderIterator in the BinaryTree class. Your implementation must use the parent reference. You cannot use recursion or an additional data structure such as a stack or a linked list 2. The string representation for the tree is an in order representation.The constructor that is passed 4 strings expects the string representation of the tree and strings that represent open, close and empty. In the examples discussed in class open, close and empty were (, ( and ! respectively. Tokens in the string representation of the tree are separated by white space. 3. make sure to follow what the comments are saying as well thank you!!

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in java please use comments explaining when possible!

1. Implement the inner class InorderIterator in the BinaryTree class.
Your implementation must use the parent reference. You cannot use
recursion or an additional data structure such as a stack or a linked
list

2. The string representation for the tree is an in order representation.The constructor that is passed 4 strings expects the string representation of the tree and strings that represent open, close and empty. In the examples discussed in class open, close and empty were (, ( and ! respectively. Tokens in the string representation of the tree are separated by white space.

3. make sure to follow what the comments are saying as well

thank you!!

 

**Tree Representation and String Format Explanation**

The image illustrates a binary tree along with its string representation. Below is a detailed description of both:

### String Representation:
- The string representation of the tree is:
  ```
  (((! D ! ) B ! ) A ((! F (! H ! ) ) C (! G ! ) ) )
  ```
  This format uses parentheses to denote the structure of the tree, with exclamation marks used as delimiters around the node values.

### Tree Diagram Explanation:
- **Node A** is the root of the tree.
- **Node B** is the left child of A, and **Node C** is the right child of A.
- **Node D** is the left child of B.
- For Node C, the structure is as follows:
  - **Node F** is the left child of C and has its own left child, **Node H**.
  - **Node G** is the right child of C.

This tree structure is a typical binary tree with various nodes and subtrees, and the string representation provided captures the hierarchical relationships within the tree through nested parentheses.
Transcribed Image Text:**Tree Representation and String Format Explanation** The image illustrates a binary tree along with its string representation. Below is a detailed description of both: ### String Representation: - The string representation of the tree is: ``` (((! D ! ) B ! ) A ((! F (! H ! ) ) C (! G ! ) ) ) ``` This format uses parentheses to denote the structure of the tree, with exclamation marks used as delimiters around the node values. ### Tree Diagram Explanation: - **Node A** is the root of the tree. - **Node B** is the left child of A, and **Node C** is the right child of A. - **Node D** is the left child of B. - For Node C, the structure is as follows: - **Node F** is the left child of C and has its own left child, **Node H**. - **Node G** is the right child of C. This tree structure is a typical binary tree with various nodes and subtrees, and the string representation provided captures the hierarchical relationships within the tree through nested parentheses.
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