Indications: Person is an abstract class containing the abstract method Print(). In Teacher and Student the method print method will print the information of either Teacher or Student.

Q: What is the order of Constructors call when the object of derived class child is declared, provided…

A: Q. What is the order of the constructor call when the object of derived class child is…

Q: Parent Class: Food Write a parent class called Food. A food is described by a name, the number of…

A: 1. Declare a public class named "Food".2. Define private instance data variables: name (String),…

Q: 13. Fill in the blank for the toString object method of the Employee class. It returns the same…

A: There is an object class in the java.lang package. Every class in Java is a direct or indirect…

Q: So, what are "static members" of a class, exactly? When and why should you take use of them?

A: Both static data members and static member functions may be present in a class. The class variables…

Q: In a class definition, is the body of any method definition ever part of the class interface?

A: No

Q: reate the class as shown in Class diagram. Date -day:int -month:int -year:int +getDay():int…

A: TestMyDate.java-----------------------------------------------------------------public class…

Q: class Al void methodA(){ } void methodB(); } class B extends A{ void methodA(){ } } O class A should…

A: 1. The correct option is- everything is okay Explanation: The given code is: abstract class A{ {}…

Q: Part I: Create a UML diagram for this assignment  PartII:  Create a program that implements a class…

A:

Q: The following class declaration has errors. Locate as many as you can. class Circle {private:double…

A: The following class declaration has errors. Locate as many as you can. class Circle {private:double…

Q: Using explicit constructor can avoid type conversions.  Group of answer choices True False

A: Explicit Keyword with constructors is used to tell constructors to not implicitly convert types in…

Q: A method declared in abstract class must be implemented by its child.  True  False

A: GIVEN:   A method declared in abstract class must be implemented by its child.  True  False

Q: If the big three methods are implemented in the base class, then all three functions must be…

A: Because in inheritance there is no need to define a method in derived class

Q: This question involves the design of a class that will be used to produce practice problems. The…

A: In this question we have to write a code in java program MultPractice, which implements the…

Q: The following class declaration has errors. Locate as many as you can. class Point {private: int…

A:

Q: Static class members are exactly what they sound like. When and how can they be used?

A: Intro Data Members: The variables which are declared inside the class are known as data members. It…

Q: State true or false to implement an interface, a concrete class must implement at least one method…

A: 1) An interface is much like a class, except that interface can only contain method signatures and…

Q: What does it mean that a method or class is abstract?

A: INTRODUCTION Data abstraction is the most common way of concealing specific subtleties and showing…

Q: Write statement that will call static method m1() that is defined in class c1

A: As You Not mentioned Language So I am providing answer in java. Lets Take an Example class c1{    //…

Q: Which of the following best explains why the getAge method will NOT work as intended?

A: In function you can see the getter (accessor) is getAge and it is returning the weight. but for…

Q: For each statement, indicate if it is True or False by circling T or F. If you need to cross out an…

A: 1. An object of a derived class has access to the public method of its base class.  TRUE EXPLANATION…

Q: The pillar that allows you to build a specialized version of a general class, but violates…

A: Answer is given below .

Q: True or False An interface can contain only abstract methods and constants.

A: solution:True

Q: Find the error in the following code

A: Please upvote. I am providing you the correct answer.       You can never, in no context, change an…

Q: Classes: 1) Shape 2) Rectangle 3) Triangle 4) TestShape for main method to create Objects

A: Java code: // Define base class Shapeclass Shape {          // private field     private String…

Q: Identify the constructor for the following class class Teacher { int id; String name; O a. Teacher)…

A: Option (a) is the correct option.

Q: What is the difference between a class and an instance of a class?

A: The class provides the blueprint to the instances for working but is not a real entity whereas the…

Q: A single class can have many instances of that class it’s true or false

A: The answer is...

Q: Given: interface B B){} {} void methodA(); cannot have a constructor cannot have an instance…

A: Disclaimer : Answering only for the first one : We cannot have a constructor within an interface in…

Q: An instance of an abstract class is made by using the keyword 'new'. true or false

A: An instance of an abstract class is made by using the keyword 'new'  :

Q: An object can be created from an abstract class is it true or false

A: Ans : False that An object can be created from an abstract class.

Q: In a class with overloaded constructors, each version of the constructor must have a different

A: A constructor is a special type of method which has same name as of class name with no return type.…

Q: When a concrete class inherits from an abstract class, you have to implement all abstract methods…

A: If we define any class an abstract class that means it contains some abstract or non abstract method…

Q: Complete the code for the following program. You are provided with an abstract class called abst.…

A: To make the usesAbst as Child class, we need to extend the abst class and to implement all the…