6. Consider the adjacency list (list of neighbors) struct node int data; node * next; class Graph private: node neighborList[30]; int last; 3; Write a method to print the neighbors of a given node n, void Graph:print(int n) {??????}
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- Computer Science QuestionConsider the adjacency list (list of neighbors) data structure for representing a graph. struct node{int data; node * next;};class Graph { …………private:node neighborList[30];int last;};Write a method to print the neighbors of a given node n, void Graph::print(int n){??????}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*…TranposeGraph import java.io.*; import java.util.*; // This class represents a directed graph using adjacency list // representation class ALGraph{ private int vertices; // No. of vertices // Array of lists for Adjacency List Representation private LinkedList adj[]; // Constructor ALGraph(int vertices) { this.vertices = vertices; adj = new LinkedList[this.vertices]; for (int i=0; i getAdjacentList(int v) { return adj[v]; } //Function to add an edge into the graph void addEdge(int v, int w) { adj[v].add(w); // Add w to v's list. } // TODO Transpose graph // If the graph includes zero vertices, return null // Create a new ALGraph // For every vertex, retrieve its adjacent list, make a pass over the list and rewrite each edge (u, v) to be (v, u) and add the u into the adjacent list of v public ALGraph transpose(){…
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- public class GameList {Game head;public GameList() {head = null;}public void addFront(String n, int min) {Game g = new Game(n, min);g.next = head;head = g;}} Add a tail pointerJava - 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 }class Queue { private static int front, rear, capacity; private static int queue[]; Queue(int size) { front = rear = 0; capacity = size; queue = new int[capacity]; } // insert an element into the queue static void queueEnqueue(int item) { // check if the queue is full if (capacity == rear) { System.out.printf("\nQueue is full\n"); return; } // insert element at the rear else { queue[rear] = item; rear++; } return; } //remove an element from the queue static void queueDequeue() { // check if queue is empty if (front == rear) { System.out.printf("\nQueue is empty\n"); return; } // shift elements to the right by one place uptil rear else {…
- java program : Assume that the following method is added to the class KWLinkedList. What is the functionality of the following method? public E function() { Node<E> temp = tail; tail.prev.next = null; tail = temp.prev; size--; return temp.data; } Return the second last element of the list but do not remove it. Return the second last element of the list and remove it from the list. Return the element at the tail of the list and remove it from the list. Return the element at the tail of the list but do not remove it.package circularlinkedlist;import java.util.Iterator; public class CircularLinkedList<E> implements Iterable<E> { // Your variablesNode<E> head;Node<E> tail;int size; // BE SURE TO KEEP TRACK OF THE SIZE // implement this constructorpublic CircularLinkedList() {} // I highly recommend using this helper method// Return Node<E> found at the specified index// be sure to handle out of bounds casesprivate Node<E> getNode(int index ) { return null;} // attach a node to the end of the listpublic boolean add(E item) {this.add(size,item);return false; } // Cases to handle// out of bounds// adding to empty list// adding to front// adding to "end"// adding anywhere else// REMEMBER TO INCREMENT THE SIZEpublic void add(int index, E item){ } // remove must handle the following cases// out of bounds// removing the only thing in the list// removing the first thing in the list (need to adjust the last thing in the list to point to the beginning)// removing the last…Assume you have a class SLNode representing a node in a singly-linked list and a variable called list referencing the first element on a list of integers, as shown below: public class SLNode { private E data; private SLNode next; public SLNode( E e){ data = e; next = null; } public SLNode getNext() { return next; } public void setNext( SLNoden){ next = n; } } SLNode list; Write a fragment of Java code that would append a new node with data value 21 at the end of the list. Assume that you don't know if the list has any elements in it or not (i.e., it may be empty). Do not write a complete method, but just show a necessary fragment of code.