Microsoft Visual C#
7th Edition
ISBN: 9781337102100
Author: Joyce, Farrell.
Publisher: Cengage Learning,
expand_more
expand_more
format_list_bulleted
Videos
Question
error_outline
This textbook solution is under construction.
Students have asked these similar questions
Create an abstract super class called Employee with the following attributes:
Use JavaDoc comments in the Parent and Child Classes only but use @author for the driver
name : String
and the following methods
getter and setter for the one attribute
two constructors
an abstract method called getPay()
equals()
toString()
Create a sub class of Employee called SalaryEmployee with the following attribute
yearlyPay : double
and the following methods
getter and setter for the one attribute
two constructors
getPay() that returns the yearlyPay divided by 52
equals()
toString()
Create a sub class of Employee called HourlyEmployee with the following attributes:
hoursWorked : double
payrate : double
and the following methods
getters and setters for the two attributes
two constructors
getPay() that returns the weekly pay (multiply hoursWorked by payrate - overtime included and 1.5 times payrate for hours > 40)
equals()
toString()
Create a sub class of Employee called SalesEmployee with the…
T/F
1. Interface classes cannot be extended but classes that implement interfaces can be extended.
T/F1. Interface classes cannot be extended but classes that implement interfaces can be extended.
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.Similar questions
- Create an interface named Playable that defines a method play requiring no return value. Play just displays the string “Play me.” Create a class named Instrument that implements playable that contains a private member name but does not implement the play of Playable. a. define setter and getter for name b. define a constructor that accepts a String name argument to be assigned to the name attribute of the class c. override equals of the object for this class d. override toString of an object for this class 3. Implement a concrete subclass of an instrument named Guitar. a. Create a constructor similar to the default constructor provided by the system. See to it that the superclass object is created. b. See to it that the abstract method is also implemented c. override equals of the object for this class d. override toString of the object for this classarrow_forwardIt has just one Main class which tests abstract class Animal and its 3 subclasses: Dog, Cat, and Fish. It also tests the Talkers: Dog, Cat, and Radio. So your job is to write all 6 of these simple classes (they should be less than one page each) : Talker.java - the interface Talker, which has just one void method called speak() Animal.java - the abstract class Animal, which stores an animal's name. (No abstract methods). It should contain 2 methods: a constructor with 1 argument (the name) a method getName() which returns the name. Dog.java - the class Dog, which extends Animal and implements Talker. It should contain 3 methods: a constructor with no arguments, giving the dog a default name of "Fido" a constructor with 1 argument (the name) a speak() method that prints "Woof" on the screen. Use @Override Cat.java - the class Cat, which extends Animal and implements Talker. It should contain just 2 methods: a constructor with 1 argument (the name) (no default name like dogs…arrow_forwardIt has just one Main class which tests abstract class Animal and its 3 subclasses: Dog, Cat, and Fish. It also tests the Talkers: Dog, Cat, and Radio. So your job is to write all 6 of these simple classes (they should be less than one page each) : Talker.java - the interface Talker, which has just one void method called speak() Animal.java - the abstract class Animal, which stores an animal's name. (No abstract methods). It should contain 2 methods: a constructor with 1 argument (the name) a method getName() which returns the name. Dog.java - the class Dog, which extends Animal and implements Talker. It should contain 3 methods: a constructor with no arguments, giving the dog a default name of "Fido" a constructor with 1 argument (the name) a speak() method that prints "Woof" on the screen. Use @Override Cat.java - the class Cat, which extends Animal and implements Talker. It should contain just 2 methods: a constructor with 1 argument (the name) (no default name like dogs…arrow_forward
- 77255 Polymorphism - abstract class BankingAccount class. Create an application with an abstract class called Account with an abstract method calculateInterest, derive the following three classes from Account class 1. SBAccount 2. DAccount 3. FDAccount Implement the abstract method in these classes; Invoke these methods from the main method using the reference of BankingAccount classarrow_forwardCreate a class Animal and Add a protected data member named id of integer type. Add get/set methods for id data member in Animal class with public access. Also provide default constructor this should initialize id to 0. Also provide parameterized constructor and toString method. Add an abstract method tellAboutSelf method to Animal class with public access Add another abstract method speak method to Animal class. Reptile, Bird, Mammal Next create the three child classes which extends form Animal class. Add a default constructor to each of the above created class. The constructor should initialize the id data member id, Reptile, Bird and Mammal, to 1, 2 and 3 respectively also it display a message “(class Name)’s default constructor”. E.g. for Bird it says “Bird’s default constructor”. Add a parameterized constructor to each of the above created class. The constructor should initialize the id data member, Reptile, Bird and Mammal, to the specified id passed to the constructor also it…arrow_forwardAnimal: Create a class Animal and Add a protected data member named id of integer type. • Add get/set methods for id data member in Animal class with public access. Also provide default constructor this should initialize id to 0. • Also provide parameterized constructor and toString method. • Add an abstract method tellAboutSelf method to Animal class with public access • Add another abstract method speak method to Animal class. Reptile, Bird, Mammal Next create the three child classes which extends form Animal class. • Add a default constructor to each of the above created class. The constructor should initialize the id data member id, Reptile, Bird and Mammal, to 1, 2 and 3 respectively also it display a message “(class Name)’s default constructor”. E.g. for Bird it says “Bird’s default constructor”. • Add a parameterized constructor to each of the above created class. The constructor should initialize the id data member, Reptile, Bird and Mammal, to the specified id passed to the…arrow_forward
- 1. Create an interface OnlineQuiz with the following details: Member variables: totalMarks=10 Member Methods: · nQuestions(): An abstract method that calculates and return the number of questions. Defined in subclass. · display(): An abstract method that displays all details. Defined in a subclass. 2. Create a class Staff that inherits OnlineQuiz with the following details: Member variables: · staffD // id of the staff string type · staffName // Name of the staff string type · nMCQ // Number of MCQ type questions int type · nTF // Number of true/false type questions int type · nMatch // Number of match type questions int type Member Methods: · Define the parameterized constructor to set the member variables. · Define the method nQuestions(): which calculate and return the total number of questions. Total number of question= nMCQ + nTF +…arrow_forwardCalculator Class In the file Calculator.java, write a class called Calculator that emulates basic functions of a calculator: add, subtract, multiply, divide, and clear. The class has one private member field called value for the calculator's current value. Implement the following Constructor and instance methods as listed below: public Calculator() - Constructor method to set the member field to 0.0 public void add(double val) - add the parameter to the member field public void subtract(double val) - subtract the parameter from the member field public void multiply(double val) - multiply the member field by the parameter public void divide(double val) - divide the member field by the parameter public void clear( ) - set the member field to 0.0 public double getValue( ) - return the member field Given two double input values num1 and num2, the program outputs the following values: The initial value of the instance field, value The value after adding num1 The value after…arrow_forwardIn java language on netbeans design a console application that will print the game sales for a particular game in 2021. Use an abstract class named Games that contains variables to store the game name, game genre and the total sales. Create a constructor that accepts the game name, game genre and the total game sales as parameters. In this class also create get methods for the variables. The Games class must implement an iGames interface that contains the following: public interface iGames { public void printSales(); public String getGame(); public String getGameGenre(); public int getGameSales(); } Create a subclass called Game Sales that extends the Games class. The Games Sales class must contain a constructor to accept the game name, game genre and total game sales as parameters. Then, write code for the Print Sales method, which prints the game sales report for 2021. Finally, write a Use Games class to instantiate the Games Sales class.arrow_forward
- Create a class Student with following instance private variables and member functions: Variable: id (int), name (String), Major (String) Constructor: overloaded constructor Methods: Accessor/Mutator (Setter/Getters), toString Create class College with following instance variable and member function: Variable: SIZE (final and int), Student array example: Student[] student; Constructor: overloaded which take one input size and this will be the value of SIZE viable and Student array size. Methods: addStudent(id, name, major) method: This method will create and add student object to the student array and when the array gets full the method will give an error message saying that you cannot add more students searchStudent(id) method: This method uses sequential search algorithm to find a student using student id in the student array. If the student is found it will return the student object otherwise it will return null. Create class StudentSearch with the main method and the main method…arrow_forwardTask 2: abstract Class: TwoDimensionShape Create an abstract class called "TwoDimensionShape", which implements interface "Shape". See below the abstract class "TwoDimensionShape" specifications: > Data Members (Attributes): All data members are privet. o uName: User name. o sName: Geometric Shape name. > Methods: o findArea(): abstract method, no implementation, it should return the area of 2D shape. o findPerimeter(): abstract method, no implementation, it should return the Perimeter of 2D shape. a proper coding: • Standard naming convention (class name, attribute, and method). Completed program compiles and runs. • Attributes given along with their visibility and type Methods given along with visibility, return type and parameters.arrow_forwardA shopkeeper in a fruit shop wants to find total profit he has gained after selling all the fruits. þevelop a java program to find the profits using the concept of interface based on the following instructions. Save the project/file as sellerYour ID. A) Interface name: Fruitshop Member Method: - to calculate and return profit B) Class name: Shopkeeper implements Fruitshop Member variables: sellingprice, costprice Member Methods: - Constructor to initialize member variables - to calculate and return profit profit = sellingprice costprice C) Controlling class sellerYour ID - To create an object of Shopkeeper - To print profit of Shopkeeperarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Microsoft Visual C#Computer ScienceISBN:9781337102100Author:Joyce, Farrell.Publisher:Cengage Learning,
EBK JAVA PROGRAMMINGComputer ScienceISBN:9781337671385Author:FARRELLPublisher:CENGAGE LEARNING - CONSIGNMENT
Programming Logic & Design ComprehensiveComputer ScienceISBN:9781337669405Author:FARRELLPublisher:Cengage
Microsoft Visual C#
Computer Science
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Cengage Learning,
EBK JAVA PROGRAMMING
Computer Science
ISBN:9781337671385
Author:FARRELL
Publisher:CENGAGE LEARNING - CONSIGNMENT
Programming Logic & Design Comprehensive
Computer Science
ISBN:9781337669405
Author:FARRELL
Publisher:Cengage
Memory Management Tutorial in Java | Java Stack vs Heap | Java Training | Edureka; Author: edureka!;https://www.youtube.com/watch?v=fM8yj93X80s;License: Standard YouTube License, CC-BY