Computer Science Approach of this Problem and psedocode: 1.Implement an Array List class of type int using primitive array int[] for internal storage. Don't need generic type. 2.Provide constructor, get(int index), and append(int value) methods. Array should dynamically grow as needed
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- Computer Science 1. Write a generic method named array_prod() that takes an array of a generic type are returns the product of the values in the elements in the array. Make sure that the generic type extends the Number class. The Number class is defined in the java.lang package. 2. Complete the main() method to find the products of the elements in the provided arrays. Print the results in the main method using 3 decimals.Please Program this in SMALLTALK Extend class Array with the method contains:. It returns true if the argument is in the array, and false if not. Use the #= binary message for comparisons. Example interaction: st> a := #(3 1 4 8 7 3). (3 1 4 8 7 3 ) st> a contains: 4. true st> a contains: 99. false Start of answer: Array extend [PROBLEM STATEMENT: In this problem you will need to insert 5 at the frontof the provided ArrayList and return the list. import java.util.ArrayList;public class InsertElementArrayList{public static ArrayList<Integer> solution(ArrayList<Integer> list){// ↓↓↓↓ your code goes here ↓↓↓↓return new ArrayList<>(); Can you help me with this question The Language is Java
- java program: University of Bahrain College of Information Technology Department of Computer Science Second Semester, 2020-2021 ITCS214 / ITCS215 / ITCS216 (Data Structures) Assignment 3 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…Min Heap of Candy — Add and Remove Using the provided code (Question04.java and Candyjava), write the add and remove methods for a min heap of Candy using an array implementation. Make sure to include all provided files in your project and write your solution in the file "Question04.java". This method should preserve the properties of a min hap, and the candies are compared based on their weight. This value can be accessed through its accessor. Solution Tests: • Does the solution compile? • Does the solution have your name in the comments? • Does the solution have a high-level solution description (150-300 words) in the comments? • Does the method preserve the properties of a Min Heap? • Does the output match the following? Testing the Add Method Candy Weight: 10.0, Candy Weight: 40.0, Candy Weight: 20.0, Candy Weight: 50.0, Candy Weight: 60.0, Candy Weight: 80.0, Candy Weight: 30.0, Candy Weight: 100.0, Candy Weight: 70.0, Candy Weight: 90.0, Testing the Remove Method Candy Weight:…PROBLEM STATEMENT: In this problem you will need to return the first elementfrom the ArrayList. import java.util.ArrayList;public class RetrieveSpecifiedElement{public static int solution(ArrayList<Integer> list){// ↓↓↓↓ your code goes here ↓↓↓↓return 0; Can you help me with this question The language is Java
- 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.Subject: Object Oriented PrgrammingLanguage: Java ProgramTopic: Exception (SEE ATTACHED PHOTO FOR THE PROBLEM) Initial code:public class Matrix{ private int matrix[][]; public Matrix(){} public Matrix(int row, int column){ matrix = new int[row][column]; } //your methods here}Implement the function below. void swap(int pos1, int pos2){} Initial code to be completed: class ArrayList : public List { int* array; int index; int capacity; void dyn_all_add(){ int cap = ceil(capacity * 1.5); array = (int*)realloc(array,cap * sizeof(int)); capacity = cap; } void dyn_all_rem(){ int cap = capacity - (capacity/3); array = (int*)realloc(array,cap * sizeof(int)); capacity = cap; } public: // CONSTRUCTOR ArrayList() { capacity = 4; array = (int*)malloc(capacity); index = 0; } int add(int num) { if (index == capacity){ dyn_all_add(); } *(array + index) = num; index++; return index; } int get(int pos){ if (pos-1 < index){ return *(array + pos-1); } return -1; } int size(){ return index; }…
- Java 1. Implement a List using array: a. Implement ArrayList<T> class of ListADT<T> interface which will define the following methods (i) public T removeLast(); //Removes and returns the last element in the list. (ii) public T removeFirst(); //Removes and returns the first element in the list. (iii) public T remove(T element); //Removes and returns the specified element. (iv) public boolean contains(T target); //Return True if the list contains the target element otherwise False. (v) public String toString(); // Returns a string representation of the list. b. Implement ArrayUnorderedList<T> class which will extends ArrayList<T> by defining the following additional methods (i) public void addToFront(T element); //Adds the specified element to the front of the list. (ii) public void addToRear(T element); //Adds the specified element to the rear of the list. (iii) public void addAfter(T element, T target); //Adds the specified element after the specified target…Write the definitions of the member functions of the classes arrayListType and unorderedArrayListType that are not given in this chapter. The specific methods that need to be implemented are listed below. Implement the following methods in arrayListType.h: isEmpty isFull listSize maxListSize clearList Copy constructor Implement the following method in unorderedArrayListType.h insertAt Also, write a program (in main.cpp) to test your function.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.