The answer question 1 [1] Write a Java method that takes two 2-dimensional integer arrays and adds them component wise.
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![Data structure
The answer question 1
[1] Write a Java method that takes two 2-dimensional integer arrays and adds them component wise.
[2] Describe an algorithm for concatenation two singly linked lists Land M, into a single list L' that
contains all the nodes of L followed by all the nodes of M.
[3] Describe a method for finding the middle node of a doubly linked list with header and trailer
sentinels by "link hopping" and without relying on explicit knowledge of the size of the list. In the
case of an even number of nodes, report the node slightly left of the center as the "middle." What
is the running time of this method?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F14479601-b2e3-4764-b383-c60649905edf%2Fda2b7e79-82c1-4060-ad54-f53719bd1f03%2Fwmyiulf_processed.jpeg&w=3840&q=75)
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- JAVA PROGRAMMING Q4.1: You have two sequences of mutually-comparable items to sort: The sequences are identical in terms of their sizes, their items, and the current (unsorted) order of those items. One sequence is in an array and the other is in a linked list. For the array and the link list, make an argument for why the quick sort would be best for one and the merge sort for the other. In the identified situation, give a quantitative answer based on big-O and other technical factors, not just a qualitative answer. Address the specifics of the two algorithms -- their operations, time efficiency, money use, etc. Assume no optimization Q4.2: Explain and/or illustrate the specific changes made in each pass of an Insertion Sort on the following data: 47 4 22 13 9 121. a function that takes in a list (L), and creates a copy of L. note: The function should return a pointer to the first element in the new L. [iteration and recursion]. 2. a function that takes in 2 sorted linked lists, and merges them into a single sorted list. note: This must be done in-place, and it must run in O(n+m).Short answer: Answer the following in your own words: 1) Your friend says they implemented a stack as a linked list with reference pointers to both a head and the tail node (i.e. they implemented a stack as a double endedlinked list). They said this significantly improved the performance for all functions (push, pop, search, and update). Are they correct? Why or why not?
- Define the function (doubleBubbleLst lst). This function should resolve to a list of sublists, where each sublist holds a single element from lst and all sublists from lst are also bubbled, so that every list and sublist has no atoms. This is the deep recursion version of bubbleLst. For example: (doubleBubbleLst '(1 2 (3 4)) ) resolves to '((1) (2) (( (3) (4) ))).(IntelliJ) Write an easier version of a linked list with only a couple of the normal linked list functions and the ability to generate and utilize a list of ints. The data type of the connection to the following node can be just Node, and the data element can be just an int. You will need a reference (Java) or either a reference or a pointer (C++) to the first node, as well as one to the last node. * Create a method or function that accepts an integer, constructs a node with that integer as its data value, and then includes the node to the end of the list. If the new node is the first one, this function will also need to update the reference to the first node. This function will need to update the reference to the final node. Consider how to insert the new node following the previous last node, and keep in mind that the next reference for the list's last node should be null. * Create a different method or function that iteratively explores the list, printing the int data values as…1)Write a Java program which stores three values by using singly linked list.- Node class1. stuID, stuName, stuScore, //data fields2. constructor3. update and accessor methods- Singly linked list class which must has following methods:1. head, tail, size// data fields2. constructor3. update and accessor methodsa. getSize() //Returns the number of elements in the list.b. isEmpty( ) //Returns true if the list is empty, and false otherwise.c. getFirstStuID( ), getStuName( ), getFirstStuScore( )d. addFirst(stuID, stuName, stuScore)e. addLast(stuID, stuName, stuScore)f. removeFirst ( ) //Removes and returns the first element of the list.g. displayList( ) //Displays all elements of the list by traversing the linked list.- Test class – initialize a singly linked list instance. Test all methods of singly linked list class. 2. Write a Java program which stores three values by using doubly linked list.- Node class4. stuID, stuName, stuScore, //data fields5. constructor6. update and…
- Code Restructuring: Methods for Linked List operations are given. Restructure the codes to improve performance of codes. 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 Instruction 1: Two (2) Java classes are provided, first, the Linked List class and second, the Linked List interface. On the Linked List class, check the comments, analyze then try to recode the said method/s. Post the changes in your code, if any. package com.linkedlist; public class LinkedList<E> implements ListI<E>{ //The Node Object signatures and constructor class Node<E>{ E data; Node<E> next; public Node(E obj) { data=obj; next=null; } }…What is the biggest advantage of linked list over array? Group of answer choices Unlike array, linked list can dynamically grow and shrink With linked list, it is faster to access a specific element than with array Linked list is easier to implement than array Unlike array, linked list can only hold a fixed number of elementsQ 4 Computer Science Write a Java generic Class with user-defined method(s) to exchange the positions of two different elements in an Array List.
- Project 2: Singly-Linked List (JAVA) The purpose of this is to assess your ability to: Implement sequential search algorithms for linked list structures Implement sequential abstract data types using linked data Analyze and compare algorithms for efficiency using Big-O notation I need to implement a singly-linked node class in JAVA. Use your singly-linked node to implement a singly-linked list class that maintains its elements in ascending order. The SinglyLinkedList class is defined by the following data: A node pointer to the front and the tail of the list Implement the following methods in your class: A default constructor list<T> myList A copy constructor list<T> myList(aList) Access to first element myList.front() Access to last element myList.back() Insert value myList.insert(val) Remove value at front myList.pop_front() Remove value at tail…Both array lists and linked lists are examples of how a list may be implemented. Discuss a scenario when a linked list might be preferable than a list stored in an array. Explain your reasoning in each situation.python assignment Matrix class Implement a matrix class (in matrix.py). a) The initializer should take a list of lists as an argument, where each outer list is a row, and each value in an inner list is a value in the corresponding row. b) Implement the __str__ method to nicely format the string representation of the matrix: one line per row, two characters per number (%2d) and a space between numbers. For example: m = Matrix([[1,0,0],[0,1,0],[0,0,1]]) print(m)> 1 0 0> 0 1 0> 0 0 1 c) Implement a method scale(factor) that returns a new matrix where each value is multiplied by scale. For example: m = Matrix([[1,2,3],[4,5,6],[7,8,9]])n = m.scale(2)print(n)> 2 4 6> 8 10 12>14 16 18print(m)> 1 2 3> 4 5 6> 7 8 9 d) Implement a method transpose() that returns a new matrix that has been transposed. Transposing flips a matrix over its diagonal: it switches rows and columns. m = Matrix([[1,2,3],[4,5,6],[7,8,9]])print(m)> 1 2 3> 4 5 6> 7 8…
