Which of the following statements is true? The method numberOfEmployee() in class Company must have a body. Class Company must be defined abstract. You must add a return statement in method numberOfEmployee(). The keywords public and abstract cannot be used together.

Q: You have been asked to write a Java program that will determine the attendance performance of…

A: Actually, java is a object oriented programming language. It is a platform independent.

Q: Which of the following are NOT true for a constructor? Select one: a. It does not return anything…

A: Introduction Constructor: A function Object() { [native code] }, in object-oriented programming, is…

Q: Question 2: You are required to develop a program for a credit card company. The company does not…

A: Class is the abstract data type and it acts as a prototype for real-world objects. A class contains…

Q: What exactly is the purpose of the final' keyword? The word final can be used before three different…

A: final keyword different field what happened in below step

Q: Q3: (Practical Question) Create a C++ class and name it Vehicle. The class Vehicle has two constant…

A: Answer

Q: A program is being written by a team of programmers. One programmer is implementing a class called…

A: Class:  class is user defined blueprints or prototypes from which object's are creates. It…

Q: What's wrong with the following constructor definition?       public void Test(String s) {…

A: Answer: it cannot have a return type such as void

Q: Discuss the use of the default constructor that takes no arguments.

A: In the given question constructor that has no parameter is known as the default constructor. If we…

Q: e of constructors? 2. Can you freely choose the identifier (i.e., name) of a constructor (like,…

A: Introduction: A Java function Object() { [native code] } is a unique function used to initialise…

Q: 1. A constructor is a special type of method. 2. The following code will result in a compiler error:…

A: True/False for the given statements are:   1. True Explanation: In Java, a constructor is a block of…

Q: i need the answer quickly

A: I have answered this question in step 2.

Q: Which of the following is FALSE about constructors?     A constructor must have the same name as…

A: calling instance method in constructor is dangerous because the object is not yet fully initialized…

Q: Which of the following statements specify the difference between an interface and a class? O A. All…

A: Java programming: Java is one of the programming languages. The java language is used to develop…

Q: What exactly is the purpose of the final'keyword? The word final can be used before three different…

A: "final" keyword is used to restrict the user. Once a final variable is assigned, it always contains…

Q: A method CAN NOT change the value of a variable of a primitive type that is an argument to the…

A: There are two ways to pass parameters to a method: Pass by value: When arguments are passed by value…

Q: 3. Which of the following statements is TRUE? A. It is necessary to create an object for a class…

A: A static class can only contain static data members, static methods and a static constructor.

Q: Give four examples of how you may utilise the this keyword in a class definition.

A: Introduction: The keyword 'this' can be used in a variety of contexts.

Q: Design and implement a Restaurant class with at least three meaningful attributes and two methods.…

A: Below is the complete solution with explanation in detail for the given question about creating a…

Q: Given a class named Person with a private String field named name and a private integer field named…

A: part 1.  function definition syntax    acess_modifier  data_type functionName(data type…

Q: Which of the following statements are true. In a child class, we use the keyword "super" to call a…

A: In object-oriented programming (OOP), a class serves as a guide or template for building objects, or…

Q: the following java code, the correct description of the usage of "super" is (). class Student…

A: class Student extends Person{  public Student(){        super();  }}

Q: Given the following Imagine that is attached, select that all apply A. If the Other class extends…

A: When Other class extending Base class, then Other class becomes Child class where as Base class…

Q: Write a program using the following hints in Superclass. a)    Declare the field years with its…

A: ALGORITHM STEP1: import the inhertance package STEP2:  In the superclass called parentclass declare…

Q: Q12

A: In this answer I will be discussing about the overriding method.

Q: How do we gain access to private attributes outside of the class they are defined?     Through…

A: Question 1 The correct answer is: Through public methods. In object-oriented programming, private…

Q: a) Write the definition of method caleTixPrice () for both subclasses calculate and return the…

A: Here's the definition of the calcTixPrice() method for the Rock subclass: def calcTixPrice(self,…

Q: Which of the following are true? If we derive a class from an abstract class, we can…

A: Now, let's look at each of the statements:1. When we derive a class from an abstract class, we have…

Q: QUESTION 1 Static fields in a class O can be referenced as a field of any instance of the class. O…

A: The suitable option is (a).

Q: Assume you have a method expecting the superclass's object to be passed as an argument. In this…

A: In Java, all non-static methods are based on the runtime type of the underlying object rather than…

Q: 3: Book class In this exercise, you will create a class Book with the following attributes: Title,…

A:

Q: Remarks should be placed only before functions and before classes in our code. the truth or the lie:

A: The only places in our code where we would comment are above a function and a class. The coder…

Q: Determine the difference between a constructor and a method.

A: Given: Determine the difference between a constructor and a method.

Q: )When the inher C+). a. Inaccessible b.. Accessible

A: Explanation: When the inheritance is private, the private methods in base class are inaccessible in…

Q: Match the correct word to the right definition. ✓ What is a method that may modify a class' field…

A: Given To know about the all the question and Definition.