Given the following class definition, which statements will instantiate an object of this class? Choose all that apply. class Restaurant { private String name; private int rating; } public Restaurant() { this.name = "no name"; this.rating = 0; } public Restaurant (String initName, int initRating) { this.name = initName; this.rating = initRating; } Onone of these Onew Restaurant rest Restaurant(); O Restaurant rr = new Restaurant("Chili's"); Restaurant diner = new Restaurant(3, "Taco Bell"); Onew Restaurant diner Restaurant(); Restaurant chillis = new Restaurant()); String rest = new Restaurant("Chili's", 3); Restaurant fastFood = new Restaurant("Taco Bell 3); Onew fastFood Restaurant("Taco Bell", 3), int rr = new Restaurant(); 4

Given the following class definition, which statements will instantiate an object of this class? Choose all that apply. class Restaurant { private String name; private int rating; } public Restaurant() { this.name = "no name"; this.rating = 0; } public Restaurant (String initName, int initRating) { this.name = initName; this.rating = initRating; } Onone of these Onew Restaurant rest Restaurant(); O Restaurant rr = new Restaurant("Chili's"); Restaurant diner = new Restaurant(3, "Taco Bell"); Onew Restaurant diner Restaurant(); Restaurant chillis = new Restaurant()); String rest = new Restaurant("Chili's", 3); Restaurant fastFood = new Restaurant("Taco Bell 3); Onew fastFood Restaurant("Taco Bell", 3), int rr = new Restaurant(); 4

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

See similar textbooks

Similar questions

public class Course { private String courseNumber, courseTitle; public Course() { } public Course(String courseNumber, String courseTitle) { this.courseNumber = courseNumber; this.courseTitle = courseTitle; } public void setCourseNumber(String courseNumber) { this.courseNumber = courseNumber; } public void setCourseTitle(String courseTitle) { this.courseTitle = courseTitle; } public String getCourseNumber() { return courseNumber; } public String getCourseTitle() { return courseTitle; } public void printInfo() { System.out.println("Course Information: "); System.out.println(" Course Number: " + courseNumber); System.out.println(" Course Title: " +…
Question 6 Consider: class Bike { } private String color; public Bike() { } public Bike(String newColor) { color = newColor; } public Bike (Bike bike) { color = } bike.color; public String getColor() { } } return color; public void setColor(String newColor) { color = newColor; Bike bike1= new Bike(); = Bike bike2 new Bike("blue"); Bike bike3 = new Bike(bike2); bike2.setColor("green"); Bike bike4 = new Bike(bike2); Which of the following are correct? bike4.getColor() returns null bike4.getColor() return "blue" bike3.getColor() return "green" bike2.getColor() returns "blue" bike4.getColor() return "green" bike1.getColor() returns bike3.getColor() return null bike3.getColor() returns "blue" bike2.getColor() returns "green" bike1.getColor() returns null
for code blow public class Aya { //instantiate variables private int ManufacturingYear; private double EngineCapacity; private String VehicleType; private double Fuel_Consumption; //create a class constructor public Aya(int my, double ec, String vt, double fc) { this.ManufacturingYear = my; this.EngineCapacity = ec; this.VehicleType = vt; this.Fuel_Consumption = fc; } //create a function to print all vehicle data public void printVehicleData() { System.out.println("Manufacturing Year: " + ManufacturingYear); System.out.println("Engine Capacity: " + EngineCapacity); System.out.println("Vehicle Type: " + VehicleType); System.out.println("Fuel Consumption: " + Fuel_Consumption); } //create a function to print the fuel economy public void printFuelEconomy() { if (Fuel_Consumption > 30) { System.out.println("Fuel Economy: Excellent"); } else if (Fuel_Consumption >= 20 && Fuel_Consumption <= 30) { System.out.println("Fuel…
A class variable does not belong to a particular object. It belongs to the entire class. Which field below is an example of a class variable? public class Pizza { private static int numPizzas; private static int numRestaurants; private static double reheatTemperature; private static string foodGroup; private string name; private string[] toppings; private double calories; private double price; } price foodGroup calories name
It is possible to express the relationship that exists between classes and objects.
Study the following class definition: class Car { public: Car (double speed); }; void start(); void accelerate(double speed); void stop(); double get_speed() const; private: double speed; Which of the following options would make logical sense in the definition of the void accelerate (double speed) function? this->speed = speed1 H this->speed this.speed this->speed; speed; H this->speed; - speed;
3. Add a "DateOfBirth" property to the given Person class, which is of type "DateTime". 1 using System; 2 public class Person { public Person(string firstName, string lastName) { 3 4 FirstName = firstName; 5 LastName = lastName; } public string FirstName { get; set; } public string LastName { get; set; } public string GetFul1Name() { 7 8 10 return FirstName + + LastName; } 12 } 11 13 14 public class Program { public static void Main() { 15 16 } 18 } 17
A programmer has submitted the following class declaration for approval. This will be part of a program that tracks departments within a company and employees assigned to those departments. class Employee { public: Employee(); string getName(); long getldentifier(); Dollars getSalary(): Department worksln(): void assignTo (Department"); Employee getSupervisor() (return dept->getManager();) private: string name; long identifier; Department" dept; Dollars salary: Based upon this information, which of the C++ checklist items appear to be in violation? O Interface completeness O Meaningful names O Undocumented pre-conditions O All data members private O Every constructor initializes every data member O Appropriate treatment of default constructor O Appropriate treatment of the Big 3 O Appropriate relational operators O Appropriate output function D Const correctness
class IndexItem { public: virtual int count() = 0; virtual void display()= 0; };class Book : public IndexItem { private: string title; string author; public: Book(string title, string author): title(title), author(author){} virtual int count(){ return 1; } virtual void display(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };class Category: public IndexItem { private: /* fill in the private member variables for the Category class below */ ? int count; public: Category(string name, string code): name(name), code(code){} /* Implement the count function below. Consider the use of the function as depicted in main() */ ? /* Implement the add function which fills the category with contents below. Consider the use of the function as depicted in main() */ ? virtualvoiddisplay(){ /* YOU DO NOT NEED TO IMPLEMENT THIS FUNCTION */ } };
Consider the following class definition: class circle { public: void print() const; void setRadius(double); void setCenter(double, double); void getCenter(double&, double&); double getRadius(); double area(); circle(); circle(double, double, double); double, double); private: double xCoordinate; double yCoordinate; double radius; } class cylinder: public circle { public: void print() const; void setHeight(double); double getHeight(); double volume(); double area(); cylinder(); cylinder(double, double, private: double height; } Suppose that you have the declaration: cylinder newCylinder; Write the definitions of the member functions of the classes circle and cylinder. Identify the member functions of the class cylinder that overrides the member functions of the class circle
class A{ protected int al; protected double a2; protected boolean a3; public A() { a1 = 0; a2 = 0; a3 = false; System.out.printin("A's Default Constructor."); } public A(int al, double a2, boolean a3) { this.al = al; this.a2 = a2; this.a3 = a3; System.out.printIn("A's Overloaded Constructor."); } } class B extends A{ protected char b1; public B() { b1 = ' "; System.out.printin("B's Default Constructor."); } public B(int al, double a2, boolean a3, char b1) { this.al = al; this.a2 = a2; this.a3 = a3; this.b1 = b1; System.out.printin("B's Overloaded Constructor."); } } class C extends B{ protected String c1; public C() { super (); c1 = " ; System.out.print]n("C's Default Constructor."); } public C(int al, double a2, boolean a3, char b1, String c1) { super (al, a2, a3, b1); this.c1 = c1; System.out.printin("C's Overloaded Constructor."); } } ignoring the 'time left' message, Check the above code and specify which object declaration generates an error. Question 1Answer A obj2 = new A(1,…