Use stack conceptsQ1 of quiz 2O https://www.loc-cs.org/~chu/DataStructures/cosi330Q2Essay Questions (20% each)[0][1][2][3]mylist = G"Bashful""Awful""Jumpy""Happy"The above "myList" is an ArrayList in Java program.1. If I want to insert "Painful" at the index 1,which of the following actions should I take first?a. Move "Happy" to the next element first.b. Move "Awful" to the next element first.Describe the reason of your choice.Next Page

Use ArrayList.add(int index, E element) method to add element to specific index of ArrayList. To…

Answered: [0] [1] [2] [3] myList "Bashful"…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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An array may contain multiple duplicate values, as shown below. In order to design an algorithm with the best average performance to remove all duplicate values, which of the following data structures should be used? 110, 1100, s, 10, s6, s, 96, 34, s, 34, 20, 110, 30 Question 16 options: hash table stack list priority queue
True or False For each statement below, indicate whether you think it is True or False. provide a description of your answer for partial credit in case you are incorrect. 1) Given a stack implemented as an array, and the following functions performed: Push(A), Push (B), Push(C), Pop(), Push(D), Push(E), Pop(), Push(F) a. The array will be [A][B][D][F] and the “top” of the stack will be at index 3 where [F] is b. The next element that will be removed when Pop is called will be A c. If we Push(G), [G] will be inserted at index 0
Which of the following is NOT an advantage of linked list over array? Group of answer choices Unlike array, linked list can dynamically grow and shrink during runtime With linked list, we can ensure only the necessary amount of memory space is allocated at any time Accessing a specific element is more efficient with linked list Linked list is better equipped to handle a flexible data structure
JAVA 1-Write an application using a hash table that finds all the pairs of two integers within the below array that add up to 12.Array = {4,9,6,13,5,3,2,8} 2-Develop an application that stores characters A, B and C in a queue array and then displays both the size and the first-in element of the stack. The application should then remove the first element of the queue and then display both the size and the first-in element of the queue again. Appropriate queue methods should be used to add, delete and display characters. 3-Develop an application that store characters A, B and C in a stack array and then displays both the size and the last-in element of the stack. The application should then remove the last element of the stack and then display again both the size and the last-in element of the stack. Appropriate stack methods should be used to add, delete and display characters. 4-Write a program that merges two ordered-list objects of integers into a single ordered list object of…
An array may contain multiple duplicate values, as shown below. In order to design an algorithm with the best average performance to remove all duplicate values, which of the following data structures should be used? [34, 45, 60, 45, 30, 24, 34, 60] Question 47 options: List Priority queue Hash table Stack
True or False For each statement below, indicate whether you think it is True or False. If you like, you can provide a description of your answer for partial credit in case you are incorrect. Given a stack implemented as an array, and the following functions performed: Push(A), Push (B), Push(C), Pop(), Push(D), Push(E), Pop(), Push(F) The array will be [A][B][D][F] and the “top” of the stack will be at index 3 where [F] is The next element that will be removed when Pop is called will be A If we Push(G), [G] will be inserted at index 0 Given a queue implemented as an array with a maximum capacity of 5 elements and O(1) insert and remove, and the following functions are performed: Insert(7), Insert(6), Insert(5), Insert(4), Remove(), Remove(), Insert(3), Insert(2), Insert(1), Remove() The removeIndex value will be index 4 The array will be [2][1][ ][4][3] The insertIndex value will be index 2 Given a priority queue implemented as a standard linked list with only a…
Q2. Write a java program to perform the following task: a) Create a collection ArrayList<String> for Customer class b) Add 5 elements into ArrayList c) Display the element at index 4 d) Display all the elements in the ArrayList using for-each loop e) Remove the values at index 2 f) Add “cst2” in location 2. g) Check if st2 existing inside the collection.
Select true or false for the statements below. Explain your answers if you like to receive partial credit 4) Given a stack implemented as a standard linked list (only a head pointer) with O(1)push and O(1) pop, and the following functions are performed in sequence:Push(“Charmander”), Push(“Squirtle”), Push(“Bulbasaur”), Pop(), Push(“Larvitar”),Push(“Eevee”), Pop(), Pop()Which of the following is true after all the functions are executed?a. Charmander and Squirtle will be the only elements left on the stackb. The head node will be pointing to Charmanderc. If you Push(“Pikachu”), it will be the last node of the linked list
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COVID-19 has effect whole world. People are interested in knowing current situation ofCOVID-19. You are required to write JAVA program for storing information in array. Following JAVA classes are provided. You are required to add following methods to COVIDList classa) void add(COVIDDetail n) this method receives a node as argument and adds it togiven list. Nodes are arranged in descending order with respect to number of cases.Note that you are not required to sort the list in fact while adding first find itsappropriate position and then add given node to that position.b) void updateCases(String country_name , int cases) this method receives twoargument country name and cases (can have positive or negative value). Update activecases of those countries whose name matches with the one provided as argument, byadding activecases with cases (value provided as argument).c) String maxCases( ) returns name of country with maximum number of cases.d) void displayData( ) display data of least…
java program : Assume the following method is added to the ArrayStack class. What does this method do? public ArrayStack<E> Undefined() { int j = topOfStack; ArrayStack<E> st1= new ArrayStack<E>(topOfStack + 1); for(int i = 0; i < topOfStack + 1; i++) { st1.theData[j] = theData[i]; j-- ; } return st1; } The method will return a stack containing all the elements of “this” stack in the reverse order. The method will return a stack containing the alternative elements of “this” stack in the original order. The method will return a stack containing all the elements of “this” stack in the original order. The method will return a stack containing the alternative elements of “this” stack in the reverse order.
Why is it giving me an error and what do I have to change? PYTHON # Problem 2# Implement a hashtable using an array. Your implementation should include public methods for insertion, deletion, and# search, as well as helper methods for resizing. The hash table is resized when the max chain length becomes greater# than 3 during insertion of a new item. You will be using linear chaining technique for collision resolution. Assume# the key to be an integer and use the hash function h(k) = k mod m where m is the size of the hashtable. You can use# python list methods in your implementation of the chain or you can also use your linked list implementation from# coding assignment 2, problem 1. You can make necessary changes to __hashtable initialization in the __init__ method# if you are using your linked list implementation. The provided code uses python lists for the __hashtable variable. class HashTableChain: def __init__(self, size=10): # Initialize the hashtable with the given…

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