Binary tree in Java Create a method named findTotalleaves () to find all the nodes that are regarded to be leaves because they don't depend on any other BNodes. The private method accepts a BNode as an argument, which stands in for the Assess current root, but the public function must not accept any parameters.
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- Implement LeafNode and InteriorNode classes for the expression tree as discussed on this page Use this template: Please don't change any function namesAdd any methods if necesssaryTODO: Remove the pass statements and implement the methods. '''class LeafNode:def __init__(self, data):self.data = datadef postfix(self):return str(self)def __str__(self):return str(self.data)def prefix(self):passdef infix(self):passdef value(self):return self.dataclass InteriorNode:def __init__(self, op, left_op, right_op):self.op = opself.left_op = left_opself.right_op = right_opdef postfix(self):return self.left_op.postfix() + " " + self.right_op.postfix() + " " + self.opdef prefix(self):passdef infix(self):passdef value(self):passif __name__ == "__main__":# TODO: (Optional) your test code here.a = LeafNode(4)b = InteriorNode('+', LeafNode(2), LeafNode(3))c = InteriorNode('*', a, b)c = InteriorNode('-', c, b)C++ DATA STRUCTURES Implement the TNode and Tree classes. The TNode class will include a data item name of type string,which will represent a person’s name. Yes, you got it right, we are going to implement a family tree!Please note that this is not a Binary Tree. Write the methods for inserting nodes into the tree,searching for a node in the tree, and performing pre-order and post-order traversals.The insert method should take two strings as input. The second string will be added as a child node tothe parent node represented by the first string. Hint: The TNode class will need to have two TNode pointers in addition to the name data member:TNode *sibling will point to the next sibling of this node, and TNode *child will represent the first child ofthis node. You see two linked lists here??? Yes! You’ll need to use the linked listsHashing Create a method hashSetExe to use Java HashSet to store elements and print them. For example, input the elements: “Apple”, “Mango”, and “Grapes”. Please state what the output would be when printing the HashSet with the three elements. Create a method treeSetExe to use Java TreeSet to store elements and print them. For example, input the elements: “Apple”, “Mango”, and “Grapes”. Please state what the output would be when printing the TreeSet with the three elements. Create a hashing function that takes the string, calculate the sum of the ASCII code of each character, and return (sum%tableSize) as the index. For example, hash(“ab”, 11) returns 8, because ‘a’ is 97 and ‘b’ is 98, which adds up to 195, and 195%11 returns 8.
- typedef struct node{int data;struct node *left,*right;}BST;The node structure of BST is shown above. Please design an efficient algorithm to return the maximum keyword value in BST. Completion function: int findmax (BST *T)All the methods as well as the main method/tester statements must be written in one class. DO NOT write a different class for each method. NOTE: USE PYTHON AD SOLVE BOTH QUESTIONS IF YOU WANT A THUMBS UP. 1. Print elements of all the Nodes of a tree using In-order Traversal. 2. Print elements of all the Nodes of a tree using Post-order Traversal.Build a Node class. It is should have attributes for the data it stores as well as its left and right children. As a bonus, try including the Comparable module and make nodes compare using their data attribute. Build a Tree class that accepts an array when initialized. The Tree class should have a root attribute that uses the return value of #build_tree which you'll write next. Write a #build_tree method that takes an array of data (e.g. [1, 7, 4, 23, 8, 9, 4, 3, 5, 7, 9, 67, 6345, 324]) and turns it into a balanced binary tree full of Node objects appropriately placed (don't forget to sort and remove duplicates!). The #build_tree method should return the level-1 root node. Write an #insert and #delete method which accepts a value to insert/delete. Compile and submit your source code and screenshots of the application executing the application and the results based in python. Your paper should be 2-3 pages in length (not including title and references pages)
- Graphs: Depth First Traversal Starting with the same graph program as last assignment, implement a depth first traversal method. Test iy on nodes 1, 2, and 3 as start nodes. Graph program: #include <iostream>#include <vector>#include <string>using namespace std; class Edge;//-------------------------------------------------------------////class Node{public:Node(string iname){name = iname;}string name;int in_count = 0;bool visited = false; vector<Edge *> out_edge_list;};//-------------------------------------------------------------////class Edge{public:Edge(string iname, double iweight, Node *ifrom, Node *ito){name = iname;weight = iweight;from = ifrom;to = ito;} string name;double weight;Node *from;Node *to;bool visited = false;}; //-------------------------------------------------------------////class Graph{public:vector<Node *> node_list;vector<Edge *> edge_list; //----------------------------------------------------------//Node*…Java - Write a non-member method for a "enqueue" that utilizes a doubly linked list. There are three variables available (can be sent) to the method; a “front” reference, a “rear” reference, and a data element (string) (you decide what you need). Empty case is when front and rear are NULL. The node is defined as follows: class node{ node after; node before string data }using namespace std; class SinglyLinkedListNode { // INSERT YOUR CODE HERE }; class SinglyLinkedList { public: SinglyLinkedListNode *head; SinglyLinkedListNode *tail; SinglyLinkedList() { this->head = nullptr; this->tail = nullptr; } voidinsert_node(intnode_data) { // INSERT YOUR CODE HERE } }; void free_singly_linked_list(SinglyLinkedListNode* node) { // INSERT YOUR CODE HERE } // Complete the has_cycle function below. /* * For your reference: * * SinglyLinkedListNode { * int data; * SinglyLinkedListNode* next; * }; * */ bool has_cycle(SinglyLinkedListNode* head) { SinglyLinkedListNode* temp = head; bool isCycle = false; while (temp != nullptr) { // INSERT YOUR CODE HERE } } int main() { // INSERT YOUR CODE HERE TO TEST YOUR CODE return0; }
- Java Programming: Make AST Nodes: IfNode, WhileNode, RepeatNode. All will have BooleanCompare for a condition and a collection of StatementNode. ForNode will have a Node for from and a node for to. This will have to be of type Node because it could be any expression. For example: for a from 1+1 to c-6 Make parsing functions for each. Java won't let you create methods called if(), etc. parseIf() is an example of a way around that; use whatever you like but use good sense in your names. Next let's look at function calls. Each function has a name and a collection of parameters. A parameter can be a VAR variable or something that came from booleanCompare (IntegerNode, VariableReferenceNode, etc). It would be reasonable to make 2 objects - ParameterVariableNode and ParameterExpressionNode. But for this very simple and well-defined case, we can do something simple: ParameterNode has a VariableReferenceNode (for VAR IDENTIFIER) and a Node for the case where the parameter is not a VAR.…Java Programming: Make AST Nodes: IfNode, WhileNode, RepeatNode. All will have BooleanCompare for a condition and a collection of StatementNode. ForNode will have a Node for from and a node for to. This will have to be of type Node because it could be any expression. For example: for a from 1+1 to c-6 Make parsing functions for each. Java won't let you create methods called if(), etc. parseIf() is an example of a way around that; use whatever you like but use good sense in your names. Next let's look at function calls. Each function has a name and a collection of parameters. A parameter can be a VAR variable or something that came from booleanCompare (IntegerNode, VariableReferenceNode, etc). It would be reasonable to make 2 objects - ParameterVariableNode and ParameterExpressionNode. But for this very simple and well-defined case, we can do something simple: ParameterNode has a VariableReferenceNode (for VAR IDENTIFIER) and a Node for the case where the parameter is not a VAR.…package Linked_List; public class RefUnsortedList<T> implements ListInterface<T>{protected int numElements; // number of elements in this listprotected LLNode<T> currentPos; // current position for iteration// set by find methodprotected boolean found; // true if element found, else falseprotected LLNode<T> location; // node containing element, if foundprotected LLNode<T> previous; // node preceeding locationprotected LLNode<T> list; // first node on the listpublic RefUnsortedList(){numElements = 0;list = null;currentPos = null;}public void add(T element)// Adds element to this list.{LLNode<T> newNode = new LLNode<T>(element);newNode.setLink(list);list = newNode;numElements++;}protected void find(T target)// Searches list for an occurence of an element e such that// e.equals(target). If successful, sets instance variables// found to true, location to node containing e, and previous// to the node that links to location. If not successful,…