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- Implement generic class ArrayStack as discussed in the lectures having following methods:
constructor, push, pop, peek, isEmpty, copy constructor, reallocate (private method).
Also add following methods to this class:
size: returns number of elements in the stack.
contains: Search an element in the stack. If found returns true, else returns false.
clear: Deletes all elements of the stack and make it empty stack.
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- java program: Implement generic class ArrayStack as discussed in the lectures having following methods: constructor, push, pop, peek, isEmpty, copy constructor, reallocate (private method). Also add following methods to this class: size: returns number of elements in the stack. contains: Search an element in the stack. If found returns true, else returns false. clear: Deletes all elements of the stack and make it empty stack. Implement generic class ArrayQueue as discussed in the lectures having following methods: constructor, copy constructor, offer, poll, peek, isEmpty, reallocate(private), iterator. Inner class Iter that implements interface Iterator having methods: constructor, hasNext, next. Also add following methods to the ArrayQueue class: size: returns number of elements in the queue. contains: Search an element in the stack. If found returns true, else returns false. clear: Deletes all elements of the stack and make it empty stack. Write a class called PalindromeChecker…In Java please create a generic stack code and implement these methods peek() returns a reference to the item at the top of the stack without removing it from the stack contains(T t) is a boolean method that returns true if the stack contains t, the parameter, otherwise returns false. The stack contains t if at least one T on the stack is equal to t using the equals() method. Note that there is always an available equals() method in Java, because Object, the common parent of all classes, contains one. Implement this method without using the contains()method of the list.Use Java. (a) Write a generic method to count the number of elements in a collection that have a specific property (for example, odd integers, prime numbers, palindromes). (b) Write a generic method to exchange the positions of two different elements in an array. (c) Write a generic method to find the maximal element in the range [begin, end) of a list.
- A) Write a generic Java queue class (a plain queue, not a priority queue). Then, call it GenericQueue, because the JDK already has an interface called Queue. This class must be able to create a queue of objects of any reference type. Consider the GenericStack class shown below for some hints. Like the Stack class below, the GenericQueue should use an underlying ArrayList<E>. Write these methods and any others you find useful: enqueue() adds an E to the queue peek() returns a reference to the object that has been in the queue the longest, without removing it from the queue dequeue() returns the E that has been in the queue the longest, and removes it from the queue contains(T t) returns true if the queue contains at least one object that is equal to t *in the sense that calling .equals() on the object with t the parameter returns true.* Otherwise contains returns false. size() and isEmpty() are obvious.Implement a class “LinkedList” which has two private data members head: A pointer to the Node class length: length of the linked listImplement the following private method: 1. bool InsertHead(int data); // Use InsertAt FunctionInsert at the start of the linked list. Return true2. bool InsertEnd(int data); // Use InsertAt FunctionInsert at the end of the linked list. Return true3. bool RemoveAt(int index);Remove and delete the node at position “index”. Return true if successful, otherwise, false. this in c++Java: Write a method/programme that will take a generic linked list and make a palindrome of the list. In a seperate test programme the user can add any elements to the generic list and then this list must be made a palindrome. The output should be the original list with the palindrome list added to this list.
- The implementation of a queue in an array, as given in this chapter, uses the variable count to determine whether the queue is empty or full. You can also use the variable count to return the number of elements in the queue. On the other hand, class linkedQueueType does not use such a variable to keep track of the number of elements in the queue. Redefine the class linkedQueueType by adding the variable count to keep track of the number of elements in the queue. Modify the definitions of the functions addQueue and deleteQueue as necessary. Add the function queueCount to return the number of elements in the queue. Also, write a program to test various operations of the class you defined.Modify the generic Pair.java class in two ways: Make it so that both values have the same type Add a method swap that swaps the first and second elements of the pair Examples:Pair<Integer> intPair = new Pair<>(17, 19);intPair.getFirst(); // returns 17intPair.getSecond(); // returns 19intPair.swap();intPair.getFirst(); // returns 19intPair.getSecond(); // returns 17Pair<String> strPair = new Pair<>("Erick", "Valdez");strPair.getFirst(); // returns "Erick"strPair.getSecond(); // returns "Valdez"strPair.swap();strPair.getFirst(); // returns "Valdez"strPair.getSecond(); // returns "Erick" Pair.java /*** This class collects a pair of elements of different types.*/public class Pair<T, S> {private T first;private S second;/*** Constructs a pair containing two given elements.* * @param firstElement the first element* @param secondElement the second element*/public Pair(T firstElement, S secondElement) {first = firstElement;second = secondElement;}/*** Gets…Implement a simple linked list in Python (Write source code and show output) with basic linked list operations like: (a) create a sequence of nodes and construct a linear linked list. (b) insert a new node in the linked list. (b) delete a particular node in the linked list. (c) modify the linear linked list into a circular linked list. Use this template: class Node:def __init__(self, val=None):self.val = valself.next = Noneclass LinkedList:"""TODO: Remove the "pass" statements and implement each methodAdd any methods if necessaryDON'T use a builtin list to keep all your nodes."""def __init__(self):self.head = None # The head of your list, don't change its name. It shouldbe "None" when the list is empty.def append(self, num): # append num to the tail of the listpassdef insert(self, index, num): # insert num into the given indexpassdef delete(self, index): # remove the node at the given index and return the deleted value as an integerpassdef circularize(self): # Make your list circular.…
- Java Only Do Method, I will give LinkedList Implementation Write a method checkForEquality to be included in class KWLinkedList that does not have any parameter. Assume the list is having even number of nodes. The method returns true if the first half of the list is equal to the second half of the list in the reverse order, otherwise it returns false. If the list is empty, the method returns false; import java.util.NoSuchElementException;/** Implementation of the interface StackInt using a linked list. The* top element of the stack is in the first (front) node of the linked list.*/public class LinkedStack<E> implements StackInt<E>{ /** Node: inner class to create nodes for linked list based stack. */private static class Node<E>{// Data Fieldsprivate E data;private Node<E> next; // The reference to the next node. // Constructors/*** Creates a new node with a null next field.* @param dataItem The data to be stored in the node*/private Node(E dataItem){data =…Write a hash table in which both the keys and the values are of type String. (NOT generic programming OR a generic class.) Write an implementation of hash tables from scratch. Define the following methods: get(key), put(key,value), remove(key), containsKey(key), and size(). Remember that every object, obj, has a method obj.hashCode() that can be used for computing a hash code for the object, so at least you don't have to define your own hash function. **//Do not use any of Java's built-in generic types; create your own linked lists using nodes as covered in section 9.2.2 of Eck, D. J. (2019). Introduction to programming using Java, version 8.1. Hobart and William Smith Colleges. http://math.hws.edu/javanotes However, you do not have to worry about increasing the size of the table when it becomes too full.You should also write a short program to test your solution.For this question you are going to provide code fragments thatimplement two methods. You do not need to provide anything other than those twomethods. Imagine using a doubly linked list to implement the stack ADT for values of a generic type. Skeleton code is provided below. Implement the push and pop methods. Instead of using the methods of the List ADT, manipulate the nodes directly. Make sure to handle any major error conditions by throwing a new RuntimeException. This doubly linked list uses sentinel nodes and you can assume that beginMarker and endMarker have already been initialized properly. class LinkedListStack { private static class Node { public Node(E d, Node p, Node n) { data = d; prev = p; next = n; } Node prev; Node next; E data; } Node beginMarker; Node endMarker; public void push(E x) { /* put the code for this in the file that you will upload */ } public E pop() { /* put the code for this…