tAltnus Objettyprivate Node head;private Node current;public LinkList () {head = current = null; }public boolean empty () {return head- null; }What does the following code do?public Node remove() {if(empty())return nul1;Node temp,cc = head;while(c.next != null)temp = c;cNext; }temp.next =null;size--;return c;O a. Remove the First element in the listO b. Remove the last element in the listO C. Remove the second element in the listo d. Remove the element before the last element in the list public class Node extends Object {public T data;public Node next;public Node () {data = null; next = null; }public Node (T val) {data = val; next = null; }}public class LinkListextends Object {private Node head;private Node current;public LinkList (){head = current = null; }public boolean empty () {return head == null; }What does the fpllowing code do?public Node remove() {if (empty())return null;Node temp,c;c = head;while(c.next != null)temp = c;c = c.Next; }temp.next = null;size--;return c;

Here we have a function named remove(). In this function, we have created 2 objects of type Node.…

tAltnus vojetty private Node head; private Node current; public LinkList () { head null:} public boolean empty () { return head == null; } = current = What does the following code do? public Node remove() { if (empty()) return null; Node temp,c; c = head; while (c.next != null) temp = c; Next; } C = temp.next = null; size--; return c; a. Remove the First element in the list O b. Remove the last element in the list O C. Remove the second element in the list O d. Remove the element before the last element in the list

tAltnus vojetty private Node head; private Node current; public LinkList () { head null:} public boolean empty () { return head == null; } = current = What does the following code do? public Node remove() { if (empty()) return null; Node temp,c; c = head; while (c.next != null) temp = c; Next; } C = temp.next = null; size--; return c; a. Remove the First element in the list O b. Remove the last element in the list O C. Remove the second element in the list O d. Remove the element before the last element in the list

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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class Node { public: Node() : data(0), prev(nullptr), next(nullptr) {} Node(int theData, Node* prevLink, Node* nextLink) : data(theData), prev(prevLink), next(nextLink) {} int getData() const { return data; } Node* getPrev() const { return prev; } Node* getNext() const { return next; } void setData(int theData) { data = theData; } void setPrev(Node* prevLink) { prev = prevLink; } void setNext(Node* nextLink) { next = nextLink; } ~Node(){} private: int data; Node* prev; Node* next; }; class AnyList { // friend function overloads the insertion operation public: // copy constructor // overloaded assignment operator // other member functions not necessary for your implementation private: Node *first; Node *last; int count; }; please help write copy constructor #include "AnyList.h" #include <iostream> using namespace std; // Definition of copy constructor // Instructions omitted intentionally. // Your code
public class Node extends Object { public T data; public Node next; public Node () { data = null; next = null; } public Node (T val) { data = val; next = null; }} public class LinkList extends Object { private Node head; private Node current; public LinkList () { head = current = null; } public boolean empty () { return head == null; } What does the following code do? public Node remove() { if(empty()) return nul%; Node temp, c; C = head; while(c.next ! null) { temp = c; C = c.Next; } temp.next = null; size--; return c; }
starter code: in java pls and thank you! public class LinkedList { private Node head; private Node tail; public void add(String item) { Node newItem = new Node(item); // handles the case where the new item // is the only thing in the list if (head == null) { head = newItem; tail = newItem; return; } tail.next = newItem; tail = newItem; } public void print() { Node current = head; while (current != null) { System.out.println(current.item); current = current.next; } } public void printWithSkips() { // TODO your code here } class Node { String item; Node next; public Node(String item) { this.item = item; this.next = null; } } } and public class Driver { public static void…
class LinkedList { Node head; Node tail; Node findNodeWithData(int data); void addDataAfterNode(int data, Node noderef); } class Node {private int data; private Node next;public void setNextNode(data); public Node getNextNode(); }2. What JUnit test cases will you create for the LinkedList class: a. void findNodeWithData(int data); b. addDataAfterNode();3. Write your JUnit test case for testing the two methods above
write search function for this coded class TreeNode {private: int data; TreeNode* left; TreeNode* right; public: TreeNode(); TreeNode(int); //getters and setters void setData(int); void setLeft(TreeNode*); void setRight(TreeNode*); int getData(); TreeNode* getLeft(); TreeNode* getRight();}; #include"Node.h"class BST {private: TreeNode* root; public: BST(); void insert(int); bool isEmpty(); void search(int); TreeNode* findPlace(int);}; #include"BST.h"#include<iostream>using namespace std; TreeNode::TreeNode() { data = -1; left = NULL; right = NULL;}TreeNode::TreeNode(int data) { this->data = data;}void TreeNode::setData(int data) { this->data = data;}void TreeNode::setLeft(TreeNode* left) { this->left = left;}void TreeNode::setRight(TreeNode* right) { this->right = right;} int TreeNode::getData() { return data;}TreeNode* TreeNode::getLeft() { return…
import edu.princeton.cs.algs4.StdOut; public class LinkedIntListR { // helper linked list node class private class Node { private int item; private Node next; public Node(int item, Node next) { this.item = item; this.next = next; } } private Node first; // first node of the list public LinkedIntListR() { first = null; } public LinkedIntListR(int[] data) { for (int i = data.length - 1; i >= 0; i--) first = new Node(data[i], first); } public void addFirst(int data) { first = new Node(data, first); } public void printList() { if (first == null) { StdOut.println("[]"); } else if (first.next == null) { StdOut.println("[" + first.item + "]"); } else { StdOut.print("[" + first.item); for(Node ptr = first.next; ptr != null; ptr = ptr.next) StdOut.print(", " + ptr.item); StdOut.println("]"); } } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; LinkedIntListR other =…
import edu.princeton.cs.algs4.StdOut; public class LinkedIntListR { // helper linked list node class private class Node { private int item; private Node next; public Node(int item, Node next) { this.item = item; this.next = next; } } private Node first; // first node of the list public LinkedIntListR() { first = null; } public LinkedIntListR(int[] data) { for (int i = data.length - 1; i >= 0; i--) first = new Node(data[i], first); } public void addFirst(int data) { first = new Node(data, first); } public void printList() { if (first == null) { StdOut.println("[]"); } else if (first.next == null) { StdOut.println("[" + first.item + "]"); } else { StdOut.print("[" + first.item); for(Node ptr = first.next; ptr != null; ptr = ptr.next) StdOut.print(", " + ptr.item); StdOut.println("]"); } } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; LinkedIntListR other =…
import java.util.NoSuchElementException; class LinkedList { private Node head; private Node tail; private class Node { private int value; private Node next; public Node(int value) { this.value = value; } } private boolean isEmpty() { return (head == null); } private boolean hasNext(Node node) { return (node.next != null); } public void print() { Node current = head; System.out.print("["); while (current != null) { if (hasNext(current)) { System.out.print(current.value + "' "); } else { System.out.print(current.value); } current = current.next; }…
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){??????}
What does the below code do? public class Node<T> { private T data; private Node<T> node; public Node(T data) { this.data = data; } public Node<T> getNode() { return node; } public void setNode(Node<T> node) { this.node = node; } public T getData() { return data; } public void setData(T data) { this.data = data; } @Override public String toString() { return data+" "; } @Override public int hCode() { final int pm = 31; int res = 1; res = pm * res + ((data == null) ? 0 : data.hCode()); res = pm * res + ((node == null) ? 0 : node.hCode()); return res; } @Override public boolean equals(Object obj) { if(this == obj) return true; if(obj == null) return false; if(!(obj instanceof Node)) return false; Node other = (Node) obj; if(data == null) { if(other.data != null) return false; } else if(!data .equals(other.data)) return false; if(node == null) { if(other.node != null) return…
package chapter04.queues;   public class LinkedQueue {  protected PersonNode front;  protected PersonNode rear;  protected int numElements;    public LinkedQueue()  {  front = null;  rear = null;  numElements = 0;  }   public void enqueue(T fName, T lName, T sNum)  {  //Complete this method as required in the homework instructions.     }    public T dequeue()  {  //Complete this method as required in the homework instructions.      }    public void peekFront()  {  //Complete this method as required in the homework instructions. }   public boolean contains(T lookFor)  {  //Complete this method as required in the homework instructions.     }   public void display()  {  //Complete this method as required in the homework instructions.     }   public int size()  {  return numElements;  }   public boolean isFull()  {  return false;  }   public boolean isEmpty()  {  return…
package chapter04.queues;   public class LinkedQueue {  protected PersonNode front;  protected PersonNode rear;  protected int numElements;    public LinkedQueue()  {  front = null;  rear = null;  numElements = 0;  }   public void enqueue(T fName, T lName, T sNum)  {  //Complete this method as required in the homework instructions.     }    public T dequeue()  {  //Complete this method as required in the homework instructions.      }    public void peekFront()  {  //Complete this method as required in the homework instructions. }   public boolean contains(T lookFor)  {  //Complete this method as required in the homework instructions.     }   public void display()  {  //Complete this method as required in the homework instructions.     }   public int size()  {  return numElements;  }   public boolean isFull()  {  return false;  }   public boolean isEmpty()  {  return…