Take the following code: class Song private: string name; string author; string genre; int year_released; public: Song() { /* initialize attributes */} string get_name() { return name; } void set_name(string new_name) { name = new_name; } string get_author() { return author; } void set_author(string new_author) { author = new_author; } int get_age(int curr_year) { return curr_year year_released; %3D } void set_year_released(int new_year) { year_released = new_year %3D ; } }; indicate the methods of this class. Tools Table Edit View Insert Format BIU В I U Av 12pt v Paragraph v

Take the following code: class Song private: string name; string author; string genre; int year_released; public: Song() { /* initialize attributes */} string get_name() { return name; } void set_name(string new_name) { name = new_name; } string get_author() { return author; } void set_author(string new_author) { author = new_author; } int get_age(int curr_year) { return curr_year year_released; %3D } void set_year_released(int new_year) { year_released = new_year %3D ; } }; indicate the methods of this class. Tools Table Edit View Insert Format BIU В I U Av 12pt v Paragraph v

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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T/F A method defined in a class can access the class' instance data without needing to pass them as parameters or declare them as local variables.
public class ItemToPurchase { private String itemName; private int itemPrice; private int itemQuantity; // Default constructor public ItemToPurchase() { itemName = "none"; itemPrice = 0; itemQuantity = 0; } // Mutator for itemName public void setName(String itemName) { this.itemName = itemName; } // Accessor for itemName public String getName() { return itemName; } // Mutator for itemPrice public void setPrice(int itemPrice) { this.itemPrice = itemPrice; } // Accessor for itemPrice public int getPrice() { return itemPrice; } // Mutator for itemQuantity public void setQuantity(int itemQuantity) { this.itemQuantity = itemQuantity; } // Accessor for itemQuantity public int getQuantity() { return itemQuantity; }} import java.util.Scanner; public class ShoppingCartPrinter { public static void main(String[] args) { Scanner scnr = new…
class temporary { public: void set(string, double, double); void print(); double manipulate(); void get(string&, double&, double&); void setDescription(string); void setFirst(double); void setSecond(double); string getDescription() const; double getFirst()const; double getSecond()const; temporary(string = "", double = 0.0, double = 0.0); private: string description; double first; double second; }; I need help writing the definition of the member function set so the instance varialbes are set according to the parameters. I also need help in writing the definition of the member function manipulation that returns a decimal with: the value of the description as "rectangle", returns first * second; if the value of description is "circle", it returns the area of the circle with radius first; if the value of the description is "cylinder", it returns the volume of the cylinder with radius first and height second; otherwise, it returns with the value -1.
class Product: def __init__(self, product_id, name, price, quantity): self.product_id = product_id self.name = name self.price = round(price, 2) self.quantity = quantity def get_product_description(self): return (f"Product ID: {self.product_id}, " f"Name: {self.name}, " f"Price: ${self.price:.2f}, " f"Quantity Available: {self.quantity}") class ElectronicProduct(Product): def __init__(self, product_id, name, price, quantity,warranty_period): self.warranty_period = warranty_period super().__init__(product_id,name,price,quantity) def get_product_description(self): base_description = super().get_product_description() return base_description + f"\nWarranty: {self.warranty_period}" class ClothingProduct(Product): def __init__(self, product_id, name, price, quantity,size): self.size = size…
JSON Response example when code = BAHRAIN as follows: { "Country": "Bahrain", "Tenps"il ("day": "SUNDAY", "temp"i {"day": "HONDAY", "temp": 35), ("day": "TUESDAYr, "teng": 39), ("day": "WEDNESDAY", "tenp": 37),. ("day"i "THURSDAY", "tenp": 35), ("day"i "FRIDAV", "temp": 34), ("day": "SATURDAY", "teng": 37) 1. Implement find Templ ) function as follows: Sample Eample This function will be called whenever the user change the value of the pull-down menu. This function should contact Ve the Web Service API, sending the selected country code, to Co display the information (country, daily temperatures in the week and average weekly temperature) inside the div tag whose id -result as shown in the example on the right. Country ahraln In addition, the country name and the average temperatures should be saved as one JS object inside an array in a local storage. Whenever new request is made, the countrylaverage will be saved and added to the array inside the local storage (duplicates is allowed).…
CLASS NAME List the instance variables in the constructor. List the methods in the class. - indicates private CLASS NAME List the instance variables in the constructor. List the methods in the class. The second row of the UML diagram lists the instance variables in the constructor. For example -name: string o o name is the variable name o string is the data type of name + indicates public o getName is the method name o o string is the return data type Java.util. The third row of the diagram lists the methods in the class. For example, +getName(): string empty parenthesie indicate nothing is sent to the method.
Dart language Create the list of Songs Concept of program i. Create class Album ii. Property 1. List of Song 2. List album iii. Add methods 1. Add (Song song) 2. Remove (index) 3. Find by title
class Artist{StringsArtist(const std::string& name="",int age=0):name_(name),age_(age){}std::string name()const {return name_;}void set_name(const std::string& name){name_=name;}int age()const {return age_;}void set_age(int age){age_=age;}virtual std::string perform(){return std::string("");}private:int age_;std::string name_;};class Singer : public Artist{public:Singer():Artist(){};Singer(const std::string& name,int age,int hits);int hits() const{return hits_;}void set_hits(int hit);std::string perform();int operator+(const Singer& rhs);int changeme(std::string name,int age,int hits);Singer combine(const Singer& rhs);private:int hits_=0;};int FindOldestandMostSuccess(std::vector<Singer> list); Task: Implement the function int Singer::changeme(std::string name,int age,int hits) : This function should check if the values passed by name, age and hits are different than those stored. And if this is the case it should change the values. This should be done by…
current_year = 2021 class Employee: # constructor def __init__(self) -> None: self.employee_no = 0 self.name = "" self.status = "" self.position = "" self.basic_salary = 0 self.year_end_bonus = 0 self.year_hired = 0 # function to get employee date from user def get_data(self): self.employee_no = int(input("Enter employee number: ")) self.name = input("Enter employee name: ") self.status = input("Enter employee name(R/P/C): ") self.position = input("Enter employee position title: ") self.year_hired = int(input("Enter year hired: ")) # function to calculate gross salary based on employee information # and criteria as given in question def calculate_gross_salary(self): rate_per_hour = 0.0 years_of_service = current_year - self.year_hired # rate per hour case 1 if self.status == "C" and years_of_service == 1: rate_per_hour =…
C# List the differences between CommissionEmployee class and BasePlusCommissionEmployee class public class BasePlusCommissionEmployee { public string FirstName { get; } public string LastName { get; } public string SocialSecurityNumber { get; } private decimal grossSales; private decimal commissionRate; private decimal baseSalary; public BasePlusCommissionEmployee(string firstName, string lastName, string socialSecurityNumber, decimal grossSales, decimal commissionRate, decimal baseSalary) { FirstName = firstName; LastName = lastName; SocialSecurityNumber = socialSecurityNumber; GrossSales = grossSales; CommissionRate = commissionRate; BaseSalary = baseSalary; } public decimal GrossSales { get { return grossSales; } set { if (value < 0) // validation { throw new ArgumentOutOfRangeException(nameof(value),…
public class Plant { protected String plantName; protected String plantCost; public void setPlantName(String userPlantName) { plantName = userPlantName; } public String getPlantName() { return plantName; } public void setPlantCost(String userPlantCost) { plantCost = userPlantCost; } public String getPlantCost() { return plantCost; } public void printInfo() { System.out.println(" Plant name: " + plantName); System.out.println(" Cost: " + plantCost); }} public class Flower extends Plant { private boolean isAnnual; private String colorOfFlowers; public void setPlantType(boolean userIsAnnual) { isAnnual = userIsAnnual; } public boolean getPlantType(){ return isAnnual; } public void setColorOfFlowers(String userColorOfFlowers) { colorOfFlowers = userColorOfFlowers; } public String getColorOfFlowers(){ return colorOfFlowers; } @Override public void printInfo(){…
There are two types of data members in a class: static and non-static. Provide an example of when it might be useful to have a static data member in the actual world.