Given the following definitions: public abstract class Manager extends Employee {...} public class Executive extends Manager { ... } What, if anything, is wrong with the following code? public class hrSystem { } public void payRaise () { } Manager m = new Manager (); O Compiler error because there is no Manager constructor. Compiler error because Manager is abstract so an instance cannot be created. No problem. The code will compile without any errors. O Compiles fine but will generate a run-time error unless an Employee object is created first

Given the following definitions: public abstract class Manager extends Employee {...} public class Executive extends Manager { ... } What, if anything, is wrong with the following code? public class hrSystem { } public void payRaise () { } Manager m = new Manager (); O Compiler error because there is no Manager constructor. Compiler error because Manager is abstract so an instance cannot be created. No problem. The code will compile without any errors. O Compiles fine but will generate a run-time error unless an Employee object is created first

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter11: Introduction To Classes

Section11.1: Classes

Problem 1E

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Given the following definitions: public abstract class Manager extends Employee { } public class Executive extends Manager { What, if anything, is wrong with the following code? public class hrSystem { } public void payRaise() { } Manager m = new Manager(); Compiler error because there is no Manager constructor. } Compiles fine but will generate a run-time error unless an Employee object is created first. No problem. ... Compiler error because Manager is abstract so an instance cannot be created.
pls help me using python This is the code it provides: class Artist:# TODO: Define constructor with parameters to initialize instance attributes# (name, birth_year, death_year) # TODO: Define print_info() method. If death_year is -1, only print birth_year class Artwork:# TODO: Define constructor with parameters to initialize instance attributes# (title, year_created, artist) # TODO: Define print_info() method if __name__ == "__main__":user_artist_name = input()user_birth_year = int(input())user_death_year = int(input())user_title = input()user_year_created = int(input()) user_artist = Artist(user_artist_name, user_birth_year, user_death_year) new_artwork = Artwork(user_title, user_year_created, user_artist)new_artwork.print_info()
Given the following definitions: public abstract class Manager extends Employee {...} public class Executive extends Manager { ... } What kind of classes are Manager and Executive, respectively? Abstract, overridden O Abstract, concrete Abstract, final O Public, final
PROGRAMMING LANGUAGE: JAVA SUBJECT: ADVANCED OOP WITH JAVA QUESTION NO 1: Make an abstract class named A1 with 2 abstract methods, then implement those methods in child class.
language: Java Class Inheritance with an abstract class Define a class Employee with the following fields: _name, _empId, _department, _position (_title), _yearlySalary, _fullTime (a boolean: true/false) , _month , _year (time of hire) Add constructor and properties Define an abstract method GetBiMonthlySalary() (if the employee is paid twice a month) Define an abstract method GetVacationTime() that returns the number of vacation time this employee would have based on time of hire Override the ToString() method to return a string that contains the information pertaining to an employee such as name, empId, department, and where full time or not. Define a class HourlyEmployee that inherits from Employee. This class should have 2 fields of its own: _hours (hours worked in half a month) and _wage (hourly wage) Provide necessary constructor, properties and methods Override the ToString() to also return the additional fields Gets 3 days of vacation after first year if the…
An abstract class's parent class's abstract methods must all be implemented by its subclasses. Is it real or not?
A subclass of an abstract class must be able to do all of the things the parent class can do. True or not?
QUESTION 5 All methods in an abstract class must also be declared abstract. True False QUESTION 6 All fields declared in an interface are treated as final and static have protected access must be initialized in the class implementing the interface have private access
Vehicle is an abstract class. Create the Airplane class as a subclass of Vehicle. Extend and override Airplane as necessary to meet the criteria below. The travel method should return the distance traveled by the Airplane object. CODE: abstract class Vehicle { public abstract double travel(double time);} //add class definitions below this line //add class definitions above this line public class Exercise2 { public static void main(String[] args) { //add code below this line //add code above this line }}
A subclass of an abstract class must implement all of the parent class's abstract methods. Is it true or false?
True or False? Because child classes in generalizations inherit the attributes, operations, and relationships of the parent, you must only define for the child the attributes, operations, or relationships that are distinct from the parent.
It is necessary for a subclass of an abstract class to implement all of the abstract methods that are defined for the parent class. Is there a mistake or is it accurate?