What is the superclass and what is the subclass in the following line? public class Pet extends Dog
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What is the superclass and what is the subclass in the following line? public class Pet extends Dog
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- Write a class named Person with data attributes for a person’s name, address, and telephone number. Next, write a class named Customer that is a subclass of the Person class. The Customer class should have a data attribute for a customer number and a Boolean data attribute indicating whether the customer wishes to be on a mailing list. Demonstratean instance of the Customer class in a simple program.Looking at the following class definition. What is the name of the superclass? What is the name of the subclass? class Rectangle(BBox):Look at the following class definition. What is the name of the superclass? What is the name of the subclass? class Tiger(Felis): True or False
- Write a class named Person with data attributes for a person’s name, address, and telephonenumber. Next, write a class named Customer that is a subclass of the Person class. TheCustomer class should have a data attribute for a customer number, and a Boolean data attributeindicating whether the customer wishes to be on a mailing list. Demonstrate an instance of theCustomer class in a simple program.What is the output of the following code where Student is a subclass of Person class? Person s = new Student(); if (s instanceof Student) { System.out.print("This is a student ”); } else { System.out.print("This is a person ”); } This is a student This is a person This is a student This is a person Syntax errorIn the following there are two classes, Employee and Manager. Manager is a subclass of Employee. The implementation of Employee class is given (Note: no getter methods are provided, so you are not able to access instance variables through getter methods in the subclass). The skeleton of the Manager class definition is given. Complete the constructor method, and the toString method for the subclass (see the details below). public class Employee { private String name; private double salary; // Make an employee with a given name and salary. public Employee(String aName, double aSalary) { name = aName; salary = aSalary; } // Provide a string description of an employee. public String toString() { return "Name: " + name + "\tSalary: " + salary; } } public class Manager extends Employee { private String department; // Make a manager with a given name, salary, and department. public Manager(String name, double salary, String department) { // put your code below } // Provide a string…
- You have a method which requires an argument of type superclass. It will function if you supply a subclass object rather than a superclass object. Is it permissible? What is the purpose?Answer with True or False for the following. Explain your answers.-It is legal to write a method in a class which overloads another method declared in the same.-It is legal to write a method in a superclass which overrides a method declared in a sub-class.Can a class be a super class and a sub-class at the same time? Give example.
- Look at the following class definition. What is the name of the superclass? What is the name ofthe subclass?class Tiger(Felis):Answer the given question with a proper explanation and step-by-step solution. The base class Pet has protected fields petName, and petAge. The derived class Cat extends the Pet class and includes a private field for catBreed. Complete main() to: create a generic pet and print information using printInfo(). create a Cat pet, use printInfo() to print information, and add a statement to print the cat's breed using the getBreed() method.What is an abstract class? Choose only one option.(a) An object(b) A class with no methods.(c) A class with no concrete subclasses.(d) A class with at least one undefined message.(e) An interface.
