need the java code # Tree Method Review### Key Concepts:- **TreeNode.java Methods:** - `getValue()`: This method returns the element stored at the current node. - `getChildren()`: This method returns a list of children (i.e., a list of TreeNodes).### Instructions:- **Assume** `t` is the tree rooted at the top node with the value `2`.#### Task 1: Retrieve the Value `9`- **Java Code:** - To access the value `9` from the tree, use: ```java t.getChildren().get(1).getChildren().get(0).getValue() ```#### Task 2: Retrieve the Value `11`- **Java Code:** - To access the value `11`, type: ```java t.getChildren().get(0).getChildren().get(1).getValue() ```### Diagram Description:The diagram illustrates a tree structure with:- The root node labeled `2`.- The first level of children: nodes `7` and `5`.- The second level expands further: - Node `7` has children `2` and `10`. - Node `5` has children `6` and `9`.- Continuing into the next level: - Node `6` has a single child `11`. - Node `9` has a single child `4`.Annotations on the diagram:- Root node `2` is indicated as `t`.- Traversal paths to retrieve values like `9` and `11` are marked with arrows and circles, highlighting the traversal order.

Recall, TreeNode.java had two methods getValue() -- returned the element stored at the current node…

Recall, TreeNode.java had two methods O getValue() -- returned the element stored at the current node getChildren()--eturned a list of children (i.e a list of O TreeNodes) • Assume t = the tree rooted at the top 2. What do you need to type in Java to get the the 9 out of the tree? t.getChildren().get(1).getChildren().get(0)/getValue() How do you get the 11? O t.getChildren().get(0).getChildren().get(2) 7 .getChildren().get(1).getValue() PI 10 "get the value of 107 11

Recall, TreeNode.java had two methods O getValue() -- returned the element stored at the current node getChildren()--eturned a list of children (i.e a list of O TreeNodes) • Assume t = the tree rooted at the top 2. What do you need to type in Java to get the the 9 out of the tree? t.getChildren().get(1).getChildren().get(0)/getValue() How do you get the 11? O t.getChildren().get(0).getChildren().get(2) 7 .getChildren().get(1).getValue() PI 10 "get the value of 107 11

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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