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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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- URGENT URGENT URGENT !!!! Write a void method swapStackwithQueue that takes MyStack and MyQueue Objects as parameters and exchanges the elements. a) The top element of the old stack becomes the rear element of the new queue. b b) and the rear element of the old queue becomes the top element of the new stack. The output should be similar to the image.public interface StackInterface void push (T element) throws StackoverfloWException; void pop () throws StackUnderflowException; T top () throws StackUnderflowException; boolean isFul1 (); boolean isEmpty(); Show what is written by the following segments of code (see printın on the code), given that iteml, item2, and item3 are int variables, and ali is an object that fits the abstract description of a stack as shown above StackInterface. Assume that you can store and retrieve variables of type int on ali. iteml = 2; item2 = 0; item3 = 6; ali.push (item2); ali.push (item1); ali.push ( iteml+item3); item2 = ali.top ( ); ali.push (item3*item3); ali.push (item2); ali.push (3); iteml = ali.top ( ); ali.pop( ); System.out.println (iteml + " " + item2 + while (!ali.isEmpty( )) + item3); iteml = ali.top( ) ; ali.pop () ; System.out.println (item1) ;Project Description: In this project you implement an ArrayStack ADT and use the stack for implementing the following methods: a) Reverse an array of Words: Accept an array of words as input parameter and return an array of words in reverse order. Use the method signature: public static String[] reverseWords (String[] wordList) Example Input: Bird Cat Dog Elephant Output: Elephant Dog Cat Bird
- Computer Science create a method +addToList(o:E):void that adds the object (o) to the ArrayList referenced by the instance variable list. create a method +removeFromBackOfList():E that removes the object at the back of the ArrayList and returns it.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.Complete ArrayStack.java, an array-based implementation o the Stack.java interface. Modify only the bodies of the following methods in the ArrayStack class: push pop top isEmpty isFull Nothing else should be modified in ArrayStack. Write the class ArrayStackTest to test your implementation. Print only the names of the tests and error messages. Give the test method meaningful names (e.g., emptyStackTest). Test push, pop, top, and isEmpty immediately after the stack has been instantiated. Push an element on an empty stack. Test pop, top, and isEmpty. Instantiate a stack with initialCapacity of 1. Push two elements. Check capacity. Other tests you deem necessary.
- Assignment2: Analyse the case study given in chapter 4 stackAnswer the following questions from the Maze.java4. Write the main method chapter 4 stack : https://drive.google.com/file/d/1m6UicIA-IR1qde-TY1fhzlwMMxygHhPF/view?usp=sharingComplete this missing methods using Java: public boolean contains(int value) Write a method contains that accepts a value and returns true if the value exists in the linked list, otherwise it returns false 2. public void set(int index, int value) Write a method set that accepts an index and a value and sets the list's element at that index to have the given value. You may assume that the index is between 0 (inclusive) and the size of the list (exclusive). 3.public boolean isSorted() Write a method isSorted that returns true if the list is in sorted (nondecreasing) order and returns false otherwise. An empty list is considered to be sorted. 4. public int deleteBack() Write a method deleteBack that deletes the last value (the value at the back of the list) and returns the deleted value. If the list is empty, your method should throw a…Don't copy from anywhere... please fast... typed answer Assignment: Linked List of Students You have been tasked with implementing a program in Java that uses a linked list to store and manage a list of students in a class. Each student should have a name and a grade. Your program should include the following classes: Student: Represents a student in the class. Each student should have a name and a grade. Node: Represents a node in the linked list. Each node should store a reference to a student and a reference to the next node in the list. LinkedList: Represents the linked list itself. Each linked list should have a reference to the first node in the list. Your task is to implement these classes using a linked list and demonstrate their functionality by creating a console-based interface for users to interact with the system. Your program should allow users to: Add a new student to the class at the end of the list. View information about a student, including their name and grade.…
- Find the index of the first negative numberIntegerListUtils.java import java.util.ArrayList; public class IntegerListUtils { /** * Finds the index of the first negative number in the list. * * @param numbers a list of integers * @return the index of the first negative number, or -1 if no negative number found */ public static int findIndexOfFirstNegative(ArrayList<Integer> numbers) { // complete this method }}2. Linked ListsCreate a class called OurLinkedList and implement the following methods:1- Write a method called add() that takes a linked list of integers along an integerand adds that integer to the list.2- Write a method called print() that takes a linked list of integers and prints all itselements.3- Write a method called deleteAll() that takes a linked list of integers along an integer which deletes all the occurrences of this number in the linked list. So if the item is 7 and the list is [1,3,7,4,3,7,2], the result is [1,3,4,3,2].4- Write a method called indexesOf() that takes a linked list of integers along withan integer and returns a list of the positions of all the occurrences of that integer.So if the integer is 5 and the list is [2,4,5,8,1,5,3], the result is [2,5].Create your own called class called Stack Your class should store items transparently. You should add items using a Push method and remove them through the Pop method. Add an IsEmpty method should return whether there are any items in the stack or not. A CountItems method should tell you the current number of items in the stack Write some code to test your Stack class using the shapes in part 1.