Study the following class interface for the class Aeroplane: class AeroPlane { public: void set_new_height (double new_height); void view() const; void view_new_height() const; AeroPlane(); AeroPlane (double new_height); AeroPlane (double new_height, double new_speed); AeroPlane(int new_height, int new_speed); private: }; double height; double speed; Which of the following constructors is called for the object declaration c1(18, 199)? AeroPlane() AeroPlane (double new height)
Q: Explain the file system structure used in MacOS.
A: MacOS, the operating system powering Apple's Mac computers, boasts a file system structure designed…
Q: a) Identify the two memory management defects in the code. Point out the line numbers where the…
A: In this question we have to understand about given code snippet in C++ and answer for the following…
Q: Using comments in the code, can you provide a line by line explination as to what the below HTML…
A: The foundation for a WebGL application displaying a three-dimensional Sierpinski gasket is laid out…
Q: ocket programming in c++ In this project, students are required to implement a multi-threaded chat…
A: To implеmеnt thе dеscribеd chat application with thе spеcifiеd еrror chеcking algorithms (Simplе…
Q: Outline the key phases of the web development life cycle and their significance in project…
A: The discipline of planning, coordinating, acquiring, making due, coordinating, and controlling…
Q: How does cross-browser testing ensure compatibility across various web browsers?
A: In the ever-changing world of web development, it is critical to provide a consistent and smooth…
Q: Discuss the ongoing maintenance and support phase of web development projects, emphasizing the…
A: During the maintenance and support phase of web development projects the focus is on ensuring that…
Q: A matrix is a rectangle of numbers in rows and columns. A 1xN matrix has one row and N columns. An…
A: Here is a Python program that uses the CORAL language to carry out matrix multiplication as…
Q: The Horse table has the following columns: ID - integer, primary key RegisteredName -…
A: The objective of the question is to write a SQL SELECT statement that retrieves specific data from a…
Q: What are some good questions to ask about rasterization in computer graphics?
A: The objective of this question is to identify some insightful questions that can be asked about…
Q: Explain the process of creating and deploying applications on MacOS, highlighting key development…
A: The objective of this question is to understand the process of creating and deploying applications…
Q: You are given the class definition for CashRegister, and you are writing client code to set up an…
A: In step 2, I have provided answer with brief explanation...
Q: The word's length in a finite language with its FA of ten states Ⓒ must be less than ten length of…
A: A finite automaton (FA) with ten states does not impose a constraint on the length of words in the…
Q: Discuss the principles of continuous integration and continuous deployment (CI/CD) in the context of…
A: When it comes to web development, Continuous Integration (CI) and Continuous Deployment (CD) are…
Q: 4. In the context of designing a creating a new educational mobile application, apply the concepts…
A: The objective of this question is to understand the process of creating a prototype for an…
Q: Analyze the importance of testing methodologies, including unit testing and user acceptance testing,…
A: Testing methodologies play a pivotal role in software development, ensuring the reliability,…
Q: Create a Horse table with the following columns, data types, and constraints. NULL is allowed unless…
A: The objective of the question is to create a SQL table named 'Horse' with specific columns, data…
Q: Question 3. The following MIPS code might produce data hazard when executed. Study the code and…
A: NOTE: This is a multipart based problem. As per company guidelines only first three parts are…
Q: How does MacOS manage and prioritize applications running in the background?
A: MacOS utilizes a system to manage and prioritize background applications ensuring a responsive user…
Q: As voice assistants and voice-activated Internet of Things devices work their way into people's…
A: 1) Voice assistants are virtual, AI-driven entities designed to respond to voice commands and…
Q: mplement Round Robin scheduling algorithm in C programming. NOTE: Please do not compute and print…
A: Step1: we have asked the user to give the input for the number of the processStep2: then we have…
Q: Explore the concept of RESTful APIs and their significance in the development of modern web…
A: In web application development RESTful APIs (Representational State Transfer) play a role by…
Q: ondary memory and highlight th
A: Primary memory and secondary memory are components of computer systems each fulfilling functions, in…
Q: Explore the concept of sandboxing in macOS and its impact on application security.
A: Sandboxing is a security mechanism implemented in operating systems, including macOS, to restrict…
Q: what is the purpose of express.js middleware?
A: Express.js middleware plays an important role in request-response cycle of an Express application.…
Q: Describe the security features implemented in macOS and their significance in ensuring user data…
A: macOS, otherwise known as Apple's operating system, incorporates various security features to…
Q: 5.04-4. Bellman Ford Algorithm - a change in DV (1, part 4). Consider the network below, and suppose…
A: Bellman Ford Algorithm is a distance-vector routing algorithm that works by distributing the…
Q: Discuss the concept of virtual memory and its role in enhancing a computer system's performance.
A: Operating systems use virtual memory, a memory management method, to give users the impression that…
Q: Provide an overview of the security features incorporated in the latest version of MacOS
A: The operating system that Apple Inc. created for their Macintosh computer line is called macOS. It…
Q: What is the hidden surface problem in computer graphics?
A: The objective of the question is to understand the concept of the hidden surface problem in computer…
Q: Which of the following leads to a model being selected with the fewest number of variables? Lasso…
A: In statistical modeling, choosing an ideal arrangement of factors is urgent to build a tight-fisted…
Q: Write a program that first reads a list of 5 integers from input. Then, read another value from the…
A: The provided program is a simple script written in Python, designed to process a list of 5 integers…
Q: You need to generate a (5x12) rain matrix (Rain[5][12]) that contains the average rainfall over 12…
A: Initialization:Set constant values for the number of rows (ROWS) and columns (COLS) in the…
Q: Task: Design and implement an assembly language program using the Hack assembly language that can…
A: The work involves creating and constructing an assembly language program using the Hack assembly…
Q: Describe the testing and deployment phases in the life cycle of a web development project.
A: Important stages in the life cycle of a web development project include testing and deployment.…
Q: Discuss the significance of cache memory in enhancing computational efficiency.
A: Cache memory is a pivotal component within computer systems, designed to accelerate data access and…
Q: Explain the role of version control systems in collaborative web development projects.
A: In collaborative web development projects, version control systems (VCS), often called source code…
Q: Discuss the role of wireframing and prototyping in the design phase of web development and how they…
A: Wireframing and prototyping are crucial activities in the design phase of web development, playing a…
Q: In R Code: The built-in data set "faithful" gives data on eruptions of the Old Faithful Geyser in…
A: In this analysis, we leverage R programming to explore and understand the "faithful" dataset, which…
Q: For two given strings s1 and s2, return a string consisting of all characters found only in s1 or…
A: To achieve this task, we can create a Java method that takes two strings, s1 and s2, and returns a…
Q: Explain the process of turning design into functional code.
A: Converting a design into code is a stage in software development.It involves translating a defined…
Q: Discuss the integration of virtualization technologies in MacOS and its impact on software…
A: Virtualization involves creating versions of hardware platforms, operating systems, storage devices…
Q: Discuss the key security mechanisms implemented in macOS and how they contribute to safeguarding…
A: Strong security features are built into Apple Inc.'s MacOS operating system to protect user…
Q: Explore the key features of the macOS operating system and its user interface.
A: macOS is Apple's Unix-based operating system designed exclusively for Macintosh computers. Known for…
Q: How does rasterization convert vector graphics into a raster format?
A: The objective of the question is to understand the process of rasterization, which is the method of…
Q: An FA with total states P accepts infinite many words if there is at least one word in this language…
A: An FA with total states P accepts infinitely many words if there is at least one word in this…
Q: Analyze the impact of memory leaks on software performance and how they can be mitigated.
A: Memory leaks are an issue in software development.They occur when a program does not release memory…
Q: My topic is : Black Friday shopping Question (s): Do people prefer Black Friday shopping in store or…
A: The topic of Black Friday shopping explores consumer preferences between in-store and online…
Q: 1. Convert (80E) 16 into a binary expansion.
A: In step 2, I have provided answer with brief explanation...
Q: Explore the security measures implemented in macOS, focusing on aspects like Gatekeeper, FileVault,…
A: The operating system that Apple created for its Macintosh computers, macOS, has a number of security…
OOPs
In today's technology-driven world, computer programming skills are in high demand. The object-oriented programming (OOP) approach is very much useful while designing and maintaining software programs. Object-oriented programming (OOP) is a basic programming paradigm that almost every developer has used at some stage in their career.
Constructor
The easiest way to think of a constructor in object-oriented programming (OOP) languages is:
Step by step
Solved in 3 steps
- 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 */ } };49. Consider the following class definition. public class Cylinder } private double baseRadius; private double height; public Cylinder () baseRadius = 0; height = 0; public Cylinder (double 1, double h) } baseRadius - 1; height = h; { public void set (double r, double h) } baseRadius = r; height = h; { public String toString () } return (baseRadius + It n + height); { public double SurfaceArea () return 2 * 3.14 * baseRadius height; public double volume () } return 3.14 baseRadius * baseRadius * height; { Which of the following statements correctly instantiates the Cylinder object myCylinder? (i) Cylinder mycylinder = new Cylinder (2.5, 7.3) : (ii) class Cylinder myCylinder = new Cylinder (2.5, 7.3); (ii) myCylinder new Cylinder (2.5, 7.3); %3D a. Only (i) b. Only (i) c. Only (iüi) d. Both (ii) and (ii)public class StairViewer public static void main(String(] args) // Step 2: Create a rectangle and draw it as the // top step of the stair // location: (20, 10) // size: (20, 20) 18 // Step 3: Create a rectangle and draw it as the 19 // middle step of the stair 20 // location: below the top step, aligned on left // size: (40, 20) 21 22 23 24 // Step 4: Create a rectangle and draw it as the 25 // bottom step of the stair 26 // location: below the middle step, aligned on left // size: (60, 20) 27 28 29 30 } 31 32
- 8. OOPS Theory #6 public class Car { public void horn() { System.out.println("Horn horn"); } } public class Ferrari extends Car { public void horn() { System.out.println("Ferarriiiiii"); } } public static void main(String[] args) { Ferrari ferrari = new Car(); ferrari.horn(); } Pick ONE option Horn horn Ferarriiii Cannot compile Runtime exception Clear Selection 9. OOPS Theory #7 In Java, we can achieve the abstraction by creating the blueprint of an object and only have abstract methods. What do we call this? Pick ONE option Interface Encapsulation Instance Protected Clear Selectionpublic class LabProgram { public static void main(String args[]) { Course course = new Course(); String first; // first name String last; // last name double gpa; // grade point average first = "Henry"; last = "Cabot"; gpa = 3.5; course.addStudent(new Student(first, last, gpa)); // Add 1st student first = "Brenda"; last = "Stern"; gpa = 2.0; course.addStudent(new Student(first, last, gpa)); // Add 2nd student first = "Jane"; last = "Flynn"; gpa = 3.9; course.addStudent(new Student(first, last, gpa)); // Add 3rd student first = "Lynda"; last = "Robison"; gpa = 3.2; course.addStudent(new Student(first, last, gpa)); // Add 4th student course.printRoster(); } } // Class representing a student public class Student { private String first; // first name private String last; // last name private double gpa; // grade point average…Public classTestMain { public static void main(String [ ] args) { Car myCar1, myCar2; Electric Car myElec1, myElec2; myCar1 = new Car( ); myCar2 = new Car("Ford", 1200, "Green"); myElec1 = new ElectricCar( ); myElec2 = new ElectricCar(15); } }
- For the following four classes, choose the correct relationship between each pair. public class Room ( private String m type; private double m area; // "Bedroom", "Dining room", etc. // in square feet public Room (String type, double area) m type type; m area = area; public class Person { private String m name; private int m age; public Person (String name, int age) m name = name; m age = age; public class LivingSSpace ( private String m address; private Room[] m rooms; private Person[] m occupants; private int m countRooms; private int m countoccupants; public LivingSpace (String address, int numRooms, int numoccupants) m address = address; new int [numRooms]; = new int [numOceupants]; m rooms %3D D occupants m countRooms = m countOccupants = 0; public void addRoom (String type, double area)class Base { public: int x, y: public: Base(int i, int j) { x = i; y = j; }}; class Derived : public Base public: Derived (int i, int j) { x = i; y = j; void display() {cout « x <<" "<< y; }}; int main(void) { Derived d(5, 5); d.display(); return e; Error O X=5,Y=5 X-0,Y=0 None of the above Other:public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…
- public class Person { private String personID; private String firstName; private String lastName; private String birthDate; private String address; public Person(){ personID = ""; firstName = ""; lastName = ""; birthDate = ""; address = ""; } public Person(String id, String first, String last, String birth, String add){ setPerson(id,first,last,birth,add); } public void setPerson(String id, String first, String last, String birth, String add){ personID = id; firstName = first; lastName = last; birthDate = birth; address = add; } public String getFirstName(){ return firstName; } public String getLastName(){ return lastName; } public String getBirthdate(){ return birthDate; } public String getAddress(){ return address; } public void print(){ System.out.print("\nPerson ID = " + personID); System.out.print("\nFirst Name = " +firstName); System.out.print("\nLast Name = " +lastName); System.out.print("\nBirth Date = " +birthDate); System.out.print("\nAddress = " +address); } public String…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(){…What is outpout? public class Vehicle { public void drive(){ System.out.println("Driving vehicle"); } public class Plane extends Vehicle { @Override public void drive(){ System.out.println("Flying plane"); } public static void main(String args[]) { Vehicle myVehicle myVehicle.drive(); } } = new Plane(); syntax error Driving vehicle Flying plane Flying plane O Driving vehicle