1. ArrayList class extends AbstractList class and implements the List interface II. ArrayList supports dynamic array that can grow as needed III. ArrayLists are synchronized. IV. It can contain Duplicate elements and maintains the insertion order
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Which of the following statements about the ArrayList class is/are false?
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- Use the array based list headers for queue. Call your function to test its functionality. Here are the headers: #ifndef H_arrayListType #define H_arrayListType #include <iostream> using namespace std; template <class elemType> class arrayListType { public: const arrayListType<elemType>& operator=(const arrayListType<elemType>&); //Overloads the assignment operator bool isEmpty() const; //Function to determine whether the list is empty //Postcondition: Returns true if the list is empty; // otherwise, returns false. bool isFull() const; //Function to determine whether the list is full //Postcondition: Returns true if the list is full; // otherwise, returns false. int listSize() const; //Function to determine the number of elements in //the list. //Postcondition: Returns the value of length. int maxListSize() const; //Function to determine the maximum size of the list //Postcondition: Returns the value of maxSize. void print() const; //Function to…class Node: def __init__(self, e, n): self.element = e self.next = n class LinkedList: def __init__(self, a): # Design the constructor based on data type of a. If 'a' is built in python list then # Creates a linked list using the values from the given array. head will refer # to the Node that contains the element from a[0] # Else Sets the value of head. head will refer # to the given LinkedList # Hint: Use the type() function to determine the data type of a self.head = None # To Do # Count the number of nodes in the list def countNode(self): # To Do # Print elements in the list def printList(self): # To Do # returns the reference of the Node at the given index. For invalid index return None. def nodeAt(self, idx): # To Doclass MyList: # constructor def __init__(self, a): # converting array to list newList = a.tolist() # printing the list print("List is:", newList). Complete.
- A4. Code to remove duplicate elements from ArrayList in java? Using Java 8 Stream.distinct() Approach Get the ArrayList with duplicate values. Create a new List from this ArrayList. Using Stream().distinct() method which return distinct object stream. convert this object stream into List /**.Question 40 An application can indicate a specific way to order the elements of a SortedABList list by passing a(n) Comparator object to a constructor of the list class. True False Question 41 A header node is a placeholder node at the beginning of a list, used to simplify list processing. True False Question 42 O(N) is the order of growth execution time of the indexOf operation when using the ABList class, assuming a list size of N. True False Question 43 A trailer node is a placeholder node at the end of a list, used to simplify list processing. True False Question 44 O(1) is the order of growth execution time of the indexOf operation when using the LBList class, assuming a list size of N. True False Question 45 Recall that within the ABList the numElements variable holds the number of elements currently in the list, and the elements array stores those elements. Assuming that a legal index is used, which of the following represents the code for the index-based T…Add the following operation to the class orderedLinkedList: void mergeLists(orderedLinkedList<Type> &list1, orderedLinkedList<Type> &list2); //This function creates a new list by merging the //elements of list1 and list2. //Postcondition: first points to the merged list // list1 and list2 are empty Consider the following statements: orderedLinkedList<int> newList; orderedLinkedList<int> list1; orderedLinkedList<int> list2; Suppose list1 points to the list with the elements 2 6 7, and list2 points to the list with the elements 3 5 8. The statement newList.mergeLists(list1, list2); creates a new linked list with the elements in the order 2 3 5 6 7 8, and the object newList points to this list. Also, after the preceding statement executes, list1 and list2 are empty. 2. Write the definition of the function template mergeLists to implement the operation mergeLists.
- Java code 8. Given an existing ArrayList named friendList, find the first index of a friend named Sasha and store it in a new variable named index.Identify the following code in the image belonging to the double linked list class, assuming the linked list is made of DLLNodes and that the linked list has a first and last pointer (pick the option that would be the best name). (a) Push (b) Pop (c) Insert (d) Remove (e) Join (f) otherJava Program This assignment requires one project with two classes. Class Employee Class Employee Attributes (all private): id: String lastName: String firstName: String salary: int Executable Class create an array of Employee objects. create an ArrayList of Employee objects from that array. use an enhanced for loop to print all employees as shown in the sample output. create a TreeMap that uses Strings for keys and Employees as values. this TreeMap should map Employee ID numbers to their associated Employees. process the ArrayList to add elements to this map. print all employees in ID # order as shown, but do so using the TreeMap's forEach method and a lambda expression
- Create a flow chart using this code: #class for nodesclass Node:def __init__(self, data=None, link=None):self.data=dataself.link=linkdef __str__(self):return str(self.data) #class for Linked listclass LinearList:def __init__(self, start=None,nodecount=0):self.start=startself.nodecount=nodecount #stores number of nodes in linked listdef addBegNode(self, value=None):#Adding nodes at beginningnode=Node(value)node.link=self.startself.start=nodeself.nodecount=self.nodecount+1 def printList(self):#traverse add display nodesptr=self.startwhile ptr:print(ptr)ptr=ptr.linkprint()def bubblesort(self):for lst in range(self.nodecount-1): #for controlling passes of Bubble Sortcurrent=self.startnxt=current.linkprevious=Nonewhile nxt: #Comparisons in passesif current.data>nxt.data:if previous==None:previous=current.linknxt=nxt.linkprevious.link=currentcurrent.link=nxtself.start=previouselse: temp=nxtnxt=nxt.linkprevious.link=current.linkprevious=temptemp.link=currentcurrent.link=nxtelse:…Make a doubly linked list and apply all the insertion, deletion and search cases. The node willhave an int variable in the data part. Your LinkedList will have a head and a tail pointer.Your LinkedList class must have the following functions: 1) insert a node1. void insertNodeAtBeginning(int data);2. void insertNodeInMiddle(int key, int data); //will search for keyand insert node after the node where a node’s data==key3. void insertNodeAtEnd(int data);2) delete a node1. bool deleteFirstNode(); //will delete the first node of the LL2. bool deleteNode(int key); //search for the node where its data==keyand delete that particular node3. bool deleteLastNode(); //will delete the last node of the LL3) Search a node1. Node* searchNodeRef(int key); //will search for the key in the datapart of the node2. bool searchNode(int key); The program must be completely generic, especially for deleting/inserting the middle nodes. Implement all the functions from the ABOVE STATEMENTS and make a login and…Having trouble with creating the InsertAtEnd function in the ItemNode.h file below. " // TODO: Define InsertAtEnd() function that inserts a node // to the end of the linked list" Given main(), define an InsertAtEnd() member function in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node. Ex. if the input is: 4 Kale Lettuce Carrots Peanuts ------------------------------------------------------- main.cpp -------------------------------------------------------- #include "ItemNode.h" int main() { ItemNode *headNode; // Create intNode objects ItemNode *currNode; ItemNode *lastNode; string item; int i; int input; // Front of nodes list headNode = new ItemNode(); lastNode = headNode; cin >> input; for (i = 0; i < input; i++) { cin >> item;…