Create code that will find duplicate keys in a linked list and remove them all.
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Create code that will find duplicate keys in a linked list and remove them all.
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- 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; } }…We need a linked list to hold information about penguins in a zoo. You will need the following integers for your IntNode (see below). I have included sample values for one of the penguins: penguin ID: 45821 penguin weight (kg): 11 penguin height (cm): 90 We now need to track the number of penguins in the zoo. I would like to propose a better way to track the size of the list. Rather than traversing the list every time you need to know its size, why not keep a variable called listSize that increments every time you add a node to the list and decrements anytime you remove an item from the list? public class penguinList { //nested class IntNode goes here private IntNode first; private int listSize; //...the methods of penguinList class go here } Now, you just need to increment the listSize instance variable in every method that adds a node to the list. If you have any methods that removes a node from the list, decrement the listSize instance variable in those methods instead.…We need a linked list to hold information about penguins in a zoo. You will need the following integers for your IntNode (see below). I have included sample values for one of the penguins: penguin ID: 45821 penguin weight (kg): 11 penguin height (cm): 90 We now need to track the number of penguins in the zoo. I would like to propose a better way to track the size of the list. Rather than traversing the list every time you need to know its size, why not keep a variable called listSize that increments every time you add a node to the list and decrements anytime you remove an item from the list? public class penguinList { //nested class IntNode goes here private IntNode first; private int listSize; //...the methods of penguinList class go here } Now, you just need to increment the listSize instance variable in every method that adds a node to the list. If you have any methods that removes a node from the list, decrement the listSize instance variable in those methods instead.…
- 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…19. Given the following linked list: LinkedList list = new LinkedList(); And this code: 1. list.add(1.5); 2. list.addFirst(11.3); 3. list.add(6.2); 4. list.add(3.4); 5. list.addLast(4.8); 6. list.add(7.4); 7. list.remove(1.5); 8. list.remove(3.4); 9. list.removeFirst); 10. System.out.println(list.getFirst(); Answer the following questions regarding the code: a) What is the list after line 6? b) What is the list after line 9? c) Line 10 gives what value?Assign negativeCntr with the number of negative values in the linked list. Thanks. // ===== Code from file IntNode.java =====public class IntNode {private int dataVal;private IntNode nextNodePtr; public IntNode(int dataInit, IntNode nextLoc) {this.dataVal = dataInit;this.nextNodePtr = nextLoc;} public IntNode(int dataInit) {this.dataVal = dataInit;this.nextNodePtr = null;} /* Insert node after this node.* Before: this -- next* After: this -- node -- next*/public void insertAfter(IntNode nodePtr) {IntNode tmpNext; tmpNext = this.nextNodePtr; // Remember nextthis.nextNodePtr = nodePtr; // this -- node -- ?nodePtr.nextNodePtr = tmpNext; // this -- node -- next} // Grab location pointed by nextNodePtrpublic IntNode getNext() {return this.nextNodePtr;}public int getDataVal() {return this.dataVal;}}// ===== end ===== // ===== Code from file CustomLinkedList.java =====import java.util.Random; public class CustomLinkedList {public static void main(String[] args) {Random randGen = new…
- How do you programmatically delete all occurrences of a key from a linked list?Create an algorithm that deletes a given piece of information from a linked list, every time it finds it. Specify the methods and classes used (no code, just algorithms)Based on the code from the last two questions, create a new LinkedList. Add 2 values to the LinkedList (there is an add method that accepts data as an argument, called add). Then call the removeFront method created in the previous question.
- 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;…Complete the method “readdata”. In this method you are to read in at least 10 sets of student data into a linked list. The data to read in is: student id number, name, major (CIS or Math) and student GPA. You will enter data of your choice. You will need a loop to continue entering data until the user wishes to stop. Complete the method “printdata”. In this method, you are to print all of the data that was entered into the linked list in the method readdata. Complete the method “printstats”. In this method, you are to search the linked list and print the following: List of student’s id and names who are CIS majors List of student’s id and names who are Math majors List of student’s names along with their gpa who are honor students (gpa 3.5 or greater) All information for the CIS student with the highest gpa (you may assume that different gpa values have been entered for all students) CODE (student_list.java) You MUST use this code: package student_list;import…True or False For each statement below, indicate whether you think it is True or False. If you like, you can provide a description of your answer for partial credit in case you are incorrect. Use the standard linked list below to answer True/False statements 9-12: 8 7 null 4 10 The “head” pointer of this list is pointing to Node 4 If we called “insert(5)”, the new node’s “next” pointer will point to Node 8 If we called “delete(10)”, Node 7’s “next” pointer will point to Node 8 If we called “search(20)”, the “head” pointer will be at Node 4 after the search function ends
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