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 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; }

Let's understand step by step : There are 2 classes given : 1. public class Node<T> extends…

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; }} %3D %3D public class LinkList extends Object { private Node head; private Node current; public LinkList 0{ head = current = null; } public boolean empty () { null; } %3D return head == %3D3D What does the following code do? public Node remove() { if(empty()) return nul1; Node temp,c; C = head; while(c.next ! null) temp = C; C c.Next; } temp.next = null; size--; return c;

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; }} %3D %3D public class LinkList extends Object { private Node head; private Node current; public LinkList 0{ head = current = null; } public boolean empty () { null; } %3D return head == %3D3D What does the following code do? public Node remove() { if(empty()) return nul1; Node temp,c; C = head; while(c.next ! null) temp = C; C c.Next; } temp.next = null; size--; return c;

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
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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; }…
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…
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