Add a method: def diff(list1: LinkedList, list2: LinkedList) -> LinkedList: diff() method accepts two LinkedLists and returns a LinkedList with the union of elements in two lists. (10 pts) Test case: list1: 1, 2, 3, 4, 5 list2: 3, 4, 5, 6, 7 This method should return an array list with elements 1, 2, 3, 4, 5, 6, 7
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- java program java method: Write a method replace to be included in the class KWLinkedList (for doubly linked list) that accepts two parameters, searchItem and repItem of type E. The method searches for searchItem in the doubly linked list, if found then replace it with repItem and return true. If the searchItem is not found in the doubly linked list, then insert repItem at the end of the linked list and return false. Assume that the list is not empty. You can use ListIterator and its methods to search the searchItem in the list and replace it with repItem if found. Do not call any method of class KWLinkedList to add a new node at the end of the list. Method Heading: public boolean replace(E searchItem, E repItem) Example: searchItem: 15 repItem: 17 List (before method call): 9 10 15 20 4 5 6 List (after method call) : 9 10 17 20 4 5 6You will reverse your student ID by the linked list of Struct in C!!!! Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Create a linked list and insert your student ID elementwise to the list. Reverse the linked list and printout the result. Hint: You can use additional pointers to reverse the linked list. You can also use a stack and then simply assign the element to the stack and it will be reversed. Linked list, Stack, Queue example source code is available on week 7 resources section.Direction: Continue the code below and add case 4, case 5, and case 6. Add 3 more functions aside from insert, getValue, and clear from List ADT import java.util.LinkedList; import java.util.Scanner; class SampleLL { } public static void main(String[] args) { LinkedList 11s = new LinkedList(); String msg = "Choose a function: \n [1] Insert, [2]Get Value, [3]Clear, [0] Exit"; System.out.println(msg); Scanner scan= new Scanner(System.in); int choice scan.nextInt (); while(true) { } if (choice =0) { } System.exit(0); switch(choice) { } case 1: System.out.println("Enter a word/symbol:"); break; case 2: System.out.println("Enter a number: "); break; 11s.add(scan.next()); break; case 3 11s.clear(); default: System.out.println("Invalid input!"); break; System.out.println(11s.get (scan.nextInt())); System.out.println(msg); choice scan.nextInt ();
- Question 2: Linked List Implementation You are going to create and implement a new Linked List class. The Java Class name is "StringLinkedList". The Linked List class only stores 'string' data type. You should not change the name of your Java Class. Your program has to implement the following methods for the StringLinked List Class: 1. push(String e) - adds a string to the beginning of the list (discussed in class) 2. printList() prints the linked list starting from the head (discussed in class) 3. deleteAfter(String e) - deletes the string present after the given string input 'e'. 4. updateToLower() - changes the stored string values in the list to lowercase. 5. concatStr(int p1, int p2) - Retrieves the two strings at given node positions p1 and p2. The retrieved strings are joined as a single string. This new string is then pushed to the list using push() method.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,…Instruction: To test the Linked List class, create a new Java class with the main method, generate Linked List using Integer and check whether all methods do what they’re supposed to do. A sample Java class with main method is provided below including output generated. If you encounter errors, note them and try to correct the codes. Post the changes in your code, if any. Additional Instruction: Linked List is a part of the Collection framework present in java.util package, however, to be able to check the complexity of Linked List operations, we can recode the data structure based on Java Documentation https://docs.oracle.com/javase/8/docs/api/java/util/LinkedList.html package com.linkedlist; public class linkedListTester { public static void main(String[] args) { ListI<Integer> list = new LinkedList<Integer>(); int n=10; for(int i=0;i<n;i++) { list.addFirst(i); } for(int…
- 1- A new static method with one parameter which is a head node for a linked list of integers, the method should create a new linked list which is equivalent to the original list of integers but with all repetitions removed, the method's return value is a head reference for the new list. this is what I have but it's not removing repetitions. public static IntLinkedBag removeRepetition (IntLinkedBag b1) { IntNode next; IntNode head = null; LinkedList<Integer> s = new LinkedList<>(); IntNode new_list = new IntNode(0, null); IntNode now = head; IntNode prev = new_list; while (now!= null) { int x = now.data; if (s.contains(x)) { new_list = new_list.next; } else { s.add(x); new_list.next = new IntNode(x, now); new_list = new_list.next; } now = now.next; } return b1; } }…Q1. Write the following method that returns thesmallest element in an ArrayList:public static <E extends Comparable<E>> E min(ArrayList<E> list).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,…
- · Write a method to insert an element at index in a Doubly Linked List data structure and test it. The method receives this list by parameters. * in javaHaving 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;…Write a Python code using the given function and conditions. Do not use Numpy. Use LinkedList Manipulation. Given function: def insert(self, newElement, index) Pre-condition: The list is not empty. Post-condition: This method inserts newElement at the given index of the list. If an element with the same key as newElement value already exists in the list, then it concludes the key already exists and does not insert the key. [You must also check the validity of the index].