Here's the Coin class definition. Complete the missing parts of the implementation. class Coin public: Coin(double value); -Coin(); double value() const; static int coins(); private: double m value; static int num_coins; }; coin.cpp 1 #include 2 #include "coin.h" 3 using namespace std; 4 5 Coin::Coin(double value) { m value = value; } 6. 7 8 9 10 Coin::-Coin() { } 11 12 13 14 double Coin::value() const { return m value; } Demo.cpp 1 #include 2 #include 3 using namespace std; 4 5 #include "coin.h" 6 int main() { { Coin a[] = { {.1}, {.25}, {.25} }; cout « "#1 coins: " « Coin::coins() « endl; } cout « "#2 coins: " « Coin::coins() « endl; { Coin a[] = { {.1}, {.25}, {.25}, {.05}, {.50}, {.01} }; cout « "#3 coins: " « Coin::coins() « endl; } cout « "#4 coins: " « Coin::coins() « endl; } 7 8 9 10 11 12 13 14 15 16 17 18 19
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- Please with interface Write a program in Java for the university consisting of the following categories: A mere Person classification contains the following variables:String name The person's name. 1int id id number. 2Write a constructor that receives the variables and a function (ID int , name String(add) whereYou receive the person's name and ID number and assign them. Write the Students class that inherits from the Person class containing the variablesnext:String Specialization The student's specialization. 1double gpa student average. 2Write a constructor that accepts the variables. (Two and a half degrees). Write the Employee class that inherits from the Person class containing the variablesnext:String jop The job name. 1int salary 2Write a constructor that accepts the variables. Create an interface for the program as shown in the following imageThis is for python class, so please answer in python 9.12 LAB: Product class In main.py define the Product class that will manage product inventory. Product class has three attributes: a product code, the product's price, and the number count of product in inventory. Implement the following methods: A constructor with 3 parameters that sets all 3 attributes to the value in the 3 parameters set_code(self, code) - set the product code (i.e. SKU234) to parameter code get_code(self) - return the product code set_price(self, price) - set the price to parameter price get_price(self) - return the price set_count(self, count) - set the number of items in inventory to parameter count get_count(self) - return the count add_inventory(self, amt) - increase inventory by parameter amt sell_inventory(self, amt) - decrease inventory by parameter amtin java create a class called publication that stores the title (a string) and price (type float) and date of a publication. Provide getters/setters and constructor also write an abstract method isOversize() .From this class derive two classes: book, which adds a page count (type int); and tape, which adds a playing time in minutes (type float). Each of the classes should have a getter/setters and constructors and provide definition to function called isOversize() to the book and tape classes. Let’s say that a book with more than 800 pages, or a tape with a playing time longer than 90 minutes (which would require two cassettes), is considered oversize. You can access this function from main() and display the string “Oversize” for oversize books and tapes when you display their other data.
- Write a java program to create a class Employee which contains member variables as name (String object)empid (Integer object)salary (Float object)age (Integer object)Define a default as well as a parameterized constructor to initialize member variables with default and specified values respectively. Define and overload a method search as defined below boolean search (Employee e[ ], String name) To search an employee with name in an array of employee objects, if found return true, else false.boolean search (Employee e[ ], Integer empid) To search an employee with the empid in an array of employee objects, if found return true, else false.Also define another method to get the name of employee having highest salary in a set of employees. String getHighestSalary(Employee e[ ]) To return the name of the employee with highest salary in an array of employee objects.Input: At least 3 employee details like name, empid, salary and age.Name of employee to searchId of employee to searchOutput:…IN C++, Create a class called Invoice that a hardware store might use to represent an invoice for an item sold at the store. An Invoice should include four pieces of information as instance variables - a part number (type String), a part description (type String), a quantity of the item being purchased (type int) and a price per item (double). Your class should have a constructor that initializes the four instance variables. Provide a set and a get method for each instance variable. In addition, provide a method named getInvoiceAmount that calculates the invoice amount (i.e., multiplies the quantity by the price per item), then returns the amount as a double value. If the quantity is not positive, it should be set to 0. If the price per item is not positive, it should be set to0. Write a test app named InvoiceTest that demonstrates class Invoice's capabilities.In this exercise, you have to calculate the student's total marks using the concept of Classes Problem Statement# Write a Java class called Student with ● private fields: ○ name(String type) ○ mark1 and mark2 (double type) And methods: ● getMarks(int markNumber), a method which should return mark1 if markNumber equals 1 and mark2 otherwise. ● calcTotal() method should take the two marks entered and return their sum. Also define two constructors: ● A default constructor that takes no parameters and initializes the values to zeros and null. ● A constructor that takes the three variables and sets them as the values of the appropriate fields. Input# Name of the student and the marks obtained in the first and second tests Output# Sum of both marks Sample Input# Student student = new Student("Jack", 60, 70); Sample Output# getMarks(1) => 60 getMarks(2) => 70 calcTotal() => 130.0 Part of solution class Student { // Define private fields here public Student() { // Write…
- Computer Science In Java, create a class Die representing a die to roll randomly. -Give Die a public final static int FACES, representing how many faces all dice will have for this run of the program. -In a static block, choose a value for FACES that is randomly chosen from the options 4, 6, 8, 10, 12, and 20. -Give Die an instance variable current, representing the last value it rolled. (cannot be less than 1 or more than FACES) -Give Die int instance variables maxCount and minCount. (cannot be negative) -Give Die a method roll that randomly sets current to a value between 1 and FACES. If the die rolls a 1, increase minCount, if the die rolls FACES, increase maxCount. -Give Die a static method sumDice, which takes a variable length parameter list of Dies and returns the sum of all their current values. -Give Die a static method sameDice, which takes a variable length parameter list of Dies, and returns true only if all of them have the same current value. Do not compare…Code this in c sharp : Develop "bank account class", which includes the following data: account number (private, readonly, and integer type) account holder name (private, constant, and string type) balance (private and double type) Then implement the following public methods : getter and setter method for each data member. withdraw deposite ToString Additionally, write a driver class, which contains main method, to test server-class' methods.Given below is the code for the controlling class with constructor overloading, analyse the code and write the Java code for the class program with all details. Make your assumptions wherever needed. public class DriverClass { public static void main( String[] args ) { Number N1 = new Number (2,3,5); Number N2 = new Number (2.5,3.5,5,5); Number N3 = new Number (2,3); N1.displayAverage(); N2.displayAverage(); N3.displayAverage(); } }
- The following code is in Java: public class Vehicle // Superclass { private double cost; public Vehicle(double c) { cost = c; } (Other methods . . .) // assume these are given and they’re OK. } public class Car extends Vehicle // Subclass { private int passengers; public Car(int p) { passengers = c; } (Other methods . . .) // assume these are given and they’re OK. } 1) What problems are in the code above?2) What is needed to fix the issue of the code?Write a program in Java for the university consisting of the following categories: A mere Person classification contains the following variables:String name The person's name. 1int id id number. 2Write a constructor that receives the variables and a function (ID int , name String(add) whereYou receive the person's name and ID number and assign them. Write the Students class that inherits from the Person class containing the variablesnext:String Specialization The student's specialization. 1double gpa student average. 2Write a constructor that accepts the variables. (Two and a half degrees). Write the Employee class that inherits from the Person class containing the variablesnext:String jop The job name. 1int salary 2Write a constructor that accepts the variables. Create an interface for the program as shown in the following imageThe BankAccount class described below is used to represent a personal savings account with a yearly interest rate, (represented as a percentage, e.g., a 7% rate is represented by .07). The interest is applied monthly, (i.e., at the end of each month 1/12 of the interest is deposited into the account). public class BankAccount { public BankAccount(double rate) public BankAccount(double initBal, double rate) public double getBalance() public double getIntRate() public void setIntRate(double rate) public void deposit(double amount) public void withdraw(double amount) public void addMonthsInterest() private double balance; private double intRate; } Suppose a bank offers to its special customers a new type of savings account, called a “Credit Account”, that allows the customer to withdraw extra money if needed, so that the account balance is allowed to be negative at some times. These accounts award interest at the end of every month, as long as the balance is positive. If the…