at has following methods: sum, multiply, divide , modulus , sin , cos , tan
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JAVA code
Create a Calculator class that has following methods:
sum, multiply, divide , modulus , sin , cos , tan
The user should be able to call these methods without creating an object of Calculator class.
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- User-Defined Classes: In Java, Design and implement the class Day thst implrmntd the dsy of the week in a program. The class Day should store the day of the week, such as, Sun for Sunday. The program should be able to perform the following operations on an object of type Day: 1. Set the day 2. Print the day 3. Return the next day 5. Return the previous day 6. Calculate and return the day by adding certian days to the current day. For examole, if the current day is Monday and we add four days, the day to be returned is Friday. Similarly, if today is Tuesday and we add 13 days , the day to be returned is Monday 7. Add appropriate constructors. 8. Write the definitons of the methods to implement the operations for the class Day, as defined in a through g. 9. Write a program to test various operaions on the class Day.Using Java an elevator simulator that uses polymorphism and object-oriented programming tosimulate the movement of elevators in a building with multiple types of passengers and elevators.The system has 8 elevators, each of which can be one of 4 types of elevators, with a certainpercentage of requests for each type. Similarly, each passenger can be one of 4 types, with adifferent percentage of requests for each type. Passenger Types:There are 4 types of passengers in the system:Standard: This is the most common type of passenger and has a request percentage of 70%.Standard passengers have no special requirements.VIP: This type of passenger has a request percentage of 10%. VIP passengers are given priorityand are more likely to be picked up by express elevators.Freight: This type of passenger has a request percentage of 15%. Freight passengers have largeitems that need to be transported and are more likely to be picked up by freight elevators.Glass: This type of passenger has a request…Java programming please Support computing sales tax in the CashRegister class. The tax rate should be supplied when constructing a CashRegister object. Add recordTaxablePurchase and getTotalTax methods. (Amounts added with recordPurchase are not taxable.) The giveChange method should correctly reflect the sales tax that is charged on taxable items. Please add the method to the CashRegisterTester. The input and output are also provided below. CashRegister class: import java.util.Scanner; public class CashRegister { private double purchase; private double payment; /** Constructs a cash register with no money in it. */ public CashRegister() { purchase = 0; payment = 0; } /** Records the sale of an item. @param amount the price of the item */ public void recordPurchase(double amount) { purchase = purchase + amount; } /** Processes a payment received from the customer. @param amount the amount of the payment */…
- Java Question - Based on code, which answer out of the choices "A, B, C, D, E" is correct. Question has one correct answer. Thank you. Part 2 - 10. Given the following code, which statement is true? class Water() { ... }class Juice() extends Water { ... }class Apple() { ... }class ApplePie() { Apple a1 = new Apple(); }class AppleJuice() { Apple a1 = new Apple(); Water w1 = newWater(); } A. Juice is a superclass and Water is a subclass.B. ApplePie is a superclass of Apple.C. ApplePie is a composite class that contains an instance of Apple class.D. AppleJuice is a superclass that contains an instance of Apple class and an instance of Water.E. Water is a composite class that contains an instance of Juice.5JAVA PROGRAMMING Create a class named "Circle" that has attributes radius, area and circumference and make the attributes private. Make a public method that sets the radius and method that prints all attributes. Ask the user input for radius. Note: Use the PI from the math functions. Inputs: 1. A line containing an integer. 10 Output: Radius: 20 Area: 1256.64 Circumference: 125.66Java Question - Based on code, which answer out of the choices "A, B, C, D, E" is correct. Question has one correct answer. Thank you. Part 2 - 7. Which is possibly a composite class? class Seed { ... }class Fruit { Seed s1 = new Seed(); }class Apple extends Fruits { ... }class Orange extends Apple { ... }class ApplePie { ApplePie a1 = new ApplePie(); } A. FruitB. AppleC. ApplePieD. OrangeE. Seed
- java programming Robot Class : a robot has a name , located at a point with integer coordinates , faces north , east , south , or west and keeps a record of all its movements positions . The class has the following methods : A default constructor that initializes robot's name to " Unknown ” , location to ( 0,0 ) , direction to North , and travelled distance to 0 , and simulated movements to null . A constructor that given robot's name , starting location , and facing direction , Accessor methods to access all the instance variables and the simulated movements of the robot Mutator methods that change the instance variables to given values and they made the change for only suitable values . tumLeft and turn Right methods that change the direction of the robot but not the location move method that moves the robot by one unit in the direction it is facing . get Travelled Distance method that retums how many units has the robot moved .Inheritance and polmorphism: In Java, Using Classes, desine an online address book to keep track of the names , addresses phone numbers, and birthdays of family members, close friends, and certain business associates. Your program should be able to handle a maximum of 500 entries. A. Define the class Address that can store a street address, city, state, and zip code. Use the appropriae methods to print and store the address. Also, use consructors to automatically initialize the data members. B. Define the class ExtPerson using the class Person (designed in chapter 8, example 8-8), the class Date, and the class Address. Add a data member to the class to claddify the person as a family member, friend, or business associate. Also, add a data member to store the phone number. Add (or override) methods to print and store the appropriate informatiom. Use constructors to automatically omotoa;ize the data members. C. Define the class AddressBook using previously defined classes. An object of…JAVA Write the class Rectangle. A Rectangle is a Shape and should have a width and a height. Refers to this : Write an abstract class for Shape. The intended subclasses are Polygon, Circle, Triangle, and Rectangle. All of these will have a name, an area, and a perimeter. (Consider which methods might be abstract.) Add a toString method that will return the information about the Shape, for example: Triangle, Area: 7.5, Perimeter: 12.0
- Java The parent class has a private integer variable privateNum. Create a method wherein you can set and get the value of the variable using a child class.OBJECT ORIENTED IN JAVA Example for VERSION 1: Welcome to Nick's Neon Tubing Calculator Enter the shape type (R, S, C, T, L, Q): R Enter Height and Width of Rectangle: 6.5 12 The perimeter of a 6.5 x 12 rectangle is 37.0 Enter the shape type (R, S, C, T, L, Q): C Enter Diameter: 12 The circumference of circle with diameter 12 is 37.7 Enter the shape type (R, S, C, T, L, Q): Q Shapes Needed 37.0 - rectangle, 6.5 x 12 37.7 - circle, diameter 12 --------------------------- 74.7 Total Length Thank You there is a version 2 as well, if you look at the pictures. Every person I have asked to help has either not made it object oriented or that code did not work. PLEASE help.java programming Using classes, design an online address book to keep track of the names,addresses, phone numbers, and birthdays of family members, close friends,and certain business associates. Your program should be able to handle amaximum of 500 entries.a. Define the class Address that can store a street address, city, state, andzip code. Use the appropriate methods to print and store the address.Also, use constructors to automatically initialize the data members. b. Define the class ExtPerson using the class Person (as defined inExample 8-8, Chapter 8), the class Date (as designed in this chapter’sProgramming Exercise 2), and the class Address. Add a data memberto this class to classify the person as a family member, friend, or businessassociate. Also, add a data member to store the phone number. Add(or override) methods to print and store the appropriate information.Use constructors to automatically initialize the data members.c. Define the class AddressBook using previously…