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- Nedd help in this. Must be in java. make the code unique and no plagerism. write a program that prints out the lists in main after the following methods are called. removeOddLength: Takes an ArrayList of strings as a parameter and removes all of the strings that have an odd length (number of characters), from the list. Return the ArrayList to main and print. swapPairs: Takes an ArrayList and switches the order of values of strings in a pairwise fashion. Your method should switch the order of the first two values, then the next two, then the next two and so on. If the number of values in the list is odd, the method should not move the final element. For example, if the list stores [“madam”, “I”, “am”, “your”, “adam”] your method should change this lists content to [“I”, “madam”, “your”, “am”, “adam”] Return the ArrayList to main and print. intersect: Accepts two sorted ArrayList of integers as parameters and returns one containing only the elements that are found in both. For…Q1. Write the following method that returns thesmallest element in an ArrayList:public static <E extends Comparable<E>> E min(ArrayList<E> list).In the existing CircularlyLinkedList class, Write a non-static method named getMax for finding the maximum element in a circularly linked list. Write the testing code in the main method of the class CircularlyLinkedList. For this purpose, you must only use and update the CircularlyLinkedList.java file provided in Lesson3Examples posted in the eCentennialmodule "Lesson Examples (from textbook)" package exercise3; public class CircularlyLinkedList<E> { private static class Node<E> { private E element; private Node<E> next; public Node(E e, Node<E> n) { element = e; next = n; } public E getElement() { return element; } public Node<E> getNext() { return next; } public void setNext(Node<E> n) { next = n; } } private Node<E> tail = null; private int size = 0; public CircularlyLinkedList() { } public int size() { return size; } public boolean isEmpty() { return size == 0; } public E first() { if (isEmpty()) return null; return…
- Given main() in the ShoppingList class, define an insertAtEnd() method 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 where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list. The output is: Kale Lettuce Carrots Peanuts public class ItemNode { private String item; private ItemNode nextNodeRef; // Reference to the next node public ItemNode() { item = ""; nextNodeRef = null; } // Constructor public ItemNode(String itemInit) { this.item = itemInit; this.nextNodeRef = null; } // Constructor public ItemNode(String itemInit, ItemNode nextLoc) {…Question 3. ArraysWrite a Java program that has a method called collapse() which accepts an array of integers as a parameterand returns a new array containing the result of replacing each pair of integers with the sum of thatpair. For example, if an array called list stores the values [ 7, 2, 8, 9, 4, 13, 7, 1, 9, 10 ], then the call ofcollapse(list) should return a new array containing [ 9, 17, 17, 8, 19 ]. The first pair from the originallist is collapsed into 9 (7 1 2), the second pair is collapsed into 17 (8 1 9), and so on. If the list storesan odd number of elements, the final element is not collapsed. For example, if the list had been [ 1, 2,3, 4, 5 ], then the call would return [ 3, 7, 5 ]. The collapse() method should not change the array that ispassed as a parameter.Answer for.Write a Python Code for the given constructor and conditions: Given Constructor: def __init__ (self, a) Pre-condition: Array cannot be empty. Post-condition: This is the default constructor of MyList class. This constructor creates a list from an array..
- In the existing DoublyLinkedList class, write and test a non-static method named reverseList to reverse a doubly linked list. Write the testing code in the main method of the class DoublyLinkedList. For this purpose, you must only use and update the DoublyLinkedList.java file provided in Lesson2Examples posted in the eCentennial module “Lesson Examples (from textbook)” package Ex2; public class DoublyLinkedList<E> { private static class Node<E> { private E element; // reference to the element stored at this node private Node<E> prev; // reference to the previous node in the list private Node<E> next; // reference to the subsequent node in the list public Node(E e, Node<E> p, Node<E> n) {element = e;prev = p;next = n;} // public accessor methodspublic E getElement() { return element; } public Node<E> getPrev() { return prev; } public Node<E> getNext() { return next; } // Update methodspublic void setPrev(Node<E> p) { prev = p; }…Write a Python Code for the given constructor and conditions: Given Constructor: def __init__ (self, a) Pre-condition: Array cannot be empty. Post-condition: This is the default constructor of MyList class. This constructor creates a list from an array.Write the following method that returns an ArrayList from a set:public static <E> ArrayList<E> setToList(Set<E> s)
- File TesSLL.java contains a driver that allows you to experiment with these methods. Compile and run TestSLL, and play around with it to see how it works. Then add the following methods to the SinglyLinkedList class. For each, add an option to the driver to test it. Do this in incremental steps!! This means, implement and test the methods one at a time.import java.util.ArrayList;import java.util.Arrays;public class PS{/*** Write the method named mesh.** Start with two ArrayLists of String, A and B, each with* its elements in alphabetical order and without any duplicates.* Return a new list containing the first N elements from the two* lists. The result list should be in alphabetical order and without* duplicates. A and B will both have a size which is N or more.* Your solution should make a single pass over A and B, taking* advantage of the fact that they are in alphabetical order,* copying elements directly to the new list.** Remember, to see if one String is "greater than" or "less than"* another, you need to use the compareTo() method, not the < or >* operators.** Examples:* mesh(["a","c","z"], ["b","f","z"], 3) returns ["a","b","c"]* mesh(["a","c","z"], ["c","f","z"], 3) returns ["a","c","f"]* mesh(["f","g","z"], ["c","f","g"], 3) returns ["c","f","g"]** @param a an ArrayList of String in alphabetical order.* @param b an…import java.util.ArrayList; class Rack { privateArrayList<Tile>tiles; publicRack() { tiles=newArrayList<Tile>(); } publicvoidaddTile(Tilet) { tiles.add(t); } /* DO NOT CHANGE THE ABOVE CODE. YOUR JOB IS TO ADD THE FOLLOWING METHODS: .toString() .sortHighToLow() You may also add any helper methods you want, such as swapValues. Note that we want to sort Tiles from highest value to lowest */