In Java, Explain when it might be preferable to use a map instead of a set.
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In Java,
- Explain when it might be preferable to use a map instead of a set.
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- Computer Science Write a program in the Java language that includes: 1. A class for books, taking into account the encapsulation and getter, setter. 2. Entering books by the user using Scanner 3. LinkedList class for: (Adding a new book - Inserting a book- Searching for a book using the ISBN Number - Viewing all books,delete book). 4. Serial number increases automatically with each book that is entered. 5. Printing the names of books is as follows: Serial - ISBN - Name - PubYear - Price - Notes. 6-Design a main menu that includes: • Add Book • Insert Book • Delete Book • Search . Display . ExitWhat are the major differences between a list and a set in Java? How can you determine when to implement a list versus a set for an application? Provide an example code segment in Java that illustrates utilizing a list or a set.OCaml Code: The goal of this project is to understand and build an interpreter for a small, OCaml-like, stackbased bytecode language. Make sure that the code compiles correctly and provide the code with the screenshot of the output. The code must have a function that takes a pair of strings (tuple) and returns a unit. You must avoid this error that is attached as an image. Make sure to have the following methods below: -Push integers, strings, and names on the stack -Push booleans -Pushing an error literal or unit literal will push :error: or :unit:onto the stack, respectively -Command pop removes the top value from the stack -The command add refers to integer addition. Since this is a binary operator, it consumes the toptwo values in the stack, calculates the sum and pushes the result back to the stack - Command sub refers to integer subtraction -Command mul refers to integer multiplication -Command div refers to integer division -Command rem refers to the remainder of integer…
- C++ A robot is initially located at position (0; 0) in a grid [?5; 5] [?5; 5]. The robot can move randomly in any of the directions: up, down, left, right. The robot can only move one step at a time. For each move, print the direction of the move and the current position of the robot. If the robot makes a circle, which means it moves back to the original place, print "Back to the origin!" to the console and stop the program. If it reaches the boundary of the grid, print \Hit the boundary!" to the console and stop the program. A successful run of your code may look like:Down (0,-1)Down (0,-2)Up (0,-1)Left (-1,-1)Left (-2,-1)Up (-2,0)Left (-3,0)Left (-4,0)Left (-5,0)Hit the boundary! or Left (-1,0)Down (-1,-1)Right (0,-1)Up (0,0)Back to the origin! About: This program is to give you practice using the control ow, the random number generator, and output formatting. You may use <iomanip> to format your output. You may NOT use #include "stdafx.h".Write an application using c++ classes that Asks for the name of a student asks for the name of a course and the grade the student got Does this until course name is "stop" Then asks for a new student until the name is "stop" Then prints out the grades gathered for each student Areas of interest: C++ classes, std::getline, std::map or std::vector or std::list Expected output: Eva - dat210 - C (for each student)This is for python For this assignment, you will write a program to simulate a payroll application. To that effect, you will also create an Employee class, according to the specifications below. Since an Employee list might be large, and individual Employee objects may contain significant information themselves, we store the Employee list as a linked list. Employee class: Attributes • Employee ID: you can use a string – the ID will contain digits and/or hyphens. The ID must be provided during object construction and there should be no mechanism to change it later. • Number of hours worked in a week: a floating-point number. • Hourly pay rate: a floating-point number that represents how much the employee is paid for one hour of work. • Gross wages: a floating-point number that stores the number of hours times the hourly rate. Methods • A constructor (__init__) • Setter methods as needed. • Getter methods as needed. • This class should overload the __str__ or __repr__ methods so that…
- For the code in java below it shows a deck of 52 cards and asks the name of the two human players and makes both players draw five cards from the deck. What I want to added into the code is for Player A to manually pick a card from his/her 5 cards and have Player B pick two cards that equal the value of Player A's card if possible. Main class code and Player class code shown below: Main class code: import java.util.ArrayList; import java.util.Scanner; import java.util.List; import java.util.Random; class Main { publicstaticvoid main(String[] args) { // card game, two players, take turns. String[] suits = {"Hearts", "Clubs", "Spades", "Diamonds"}; String[] numbers = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"}; for(String oneSuit : suits){ for(String num : numbers){ System.out.println(oneSuit + " " + num); } } List<Player> listOfPlayers = new ArrayList<>(); Scanner sc = new Scanner(System.in); System.out.println("Name of Player 1");…You will create two programs. The first one will use the data structure Stack and the other program will use the data structure Queue. Keep in mind that you should already know from your video and free textbook that Java uses a LinkedList integration for Queue. Stack Program Create a deck of cards using an array (Array size 15). Each card is an object. So you will have to create a Card class that has a value (1 - 10, Jack, Queen, King, Ace) and suit (clubs, diamonds, heart, spade). You will create a stack and randomly pick a card from the deck to put be pushed onto the stack. You will repeat this 5 times. Then you will take cards off the top of the stack (pop) and reveal the values of the cards in the output. As a challenge, you may have the user guess the value and suit of the card at the bottom of the stack. Queue Program There is a new concert coming to town. This concert is popular and has a long line. The line uses the data structure Queue. The people in the line are objects…For the code in java below it shows a deck of 52 cards and asks the name of the two human players and makes both players draw five cards from the deck. For the code make PlayerA chose one of the 5 cards but the player who is playing as PlayerA can select which card it is and the card is not selected randomly. Main class code: import java.util.ArrayList; import java.util.Scanner; import java.util.List; import java.util.Random; class Main { publicstaticvoid main(String[] args) { // card game, two players, take turns. String[] suits = {"Hearts", "Clubs", "Spades", "Diamonds"}; String[] numbers = {"A", "2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K"}; for(String oneSuit : suits){ for(String num : numbers){ System.out.println(oneSuit + " " + num); } } List<Player> listOfPlayers = new ArrayList<>(); Scanner sc = new Scanner(System.in); System.out.println("Name of Player 1"); String PlayerName = sc.nextLine(); Player newPlayer = new Player(PlayerName);…
- In C++, write a point class with x and y coordinates; declare 3 point objects and push them into the list and print the list.Student: Michael Reyes 2. Write a Java program that would resemble a payroll system. An input window that will accept the employee number and the number of days of rendered work. A 2d-ArrayList that contains the employee number and the rate per day is to be searched and used to compute the gross salary. Gross salary is computed by multiplying the number of days of rendered work by the rate per day of the particular employee. If the gross salary computed is greater than 100,000 the tax is 20% of the gross salary, otherwise, the tax is 10%. Deduct the tax from the gross salary to get the net pay. Display the employee number, gross salary, tax deduction, and net pay in an output window. Design your own input/output windows. (USE OOP CONCEPT JFRAME)Java programming Try to do the same question with Map Array
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