Consider the following statement: my_obj->myfun(); Which of the following statements are true? 1. my_obj must be a pointer to an object. II. myfun () must be a virtual function. III. It cannot be determined from this statement alone which function my fun ( ) will actually be executed if it is part of an inheritance hierarchy. 01, 11 © II, III O I, III O I, II, III
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- which application of oop can be provide a degree of freedom in the interface design option: * Inheritance O Object and class O polymorphism Friend functionsQ#1. Write a java Program for inheritance and mention “Vehicles” as parent class and “Bike” and “Car” as child classes. Define three data member and 2 data function in each class. Override functions of parent class in child classes. Parent class implements an interface “MyInterface”. And mention all functions in this interface SUBJECT:JAVA PROGRAMMINGCreate a C++ console application that implements this inheritance hierarchy. Note the following: The game has no "Enemy" object but it does have specific enemies. (Abstract) All enemies will have the following properties or behaviours • Damage - A value representing how much damage they would do to an enemy. Default enemy damage is 10. • Warcry- A proclaimation of their intent to do battle. Default enemies warcry is "Roar!" . Attack - An ability to combine a warcry with damage. (Ex: "Roar!" "Deal 10 damage to opponent'). Skeleton: • Damage - Base enemy damage 0 Warcry- Base enemy warcry but with the addition of "Hssssssssssss" to the end. 0 Attack - Warcry followed by two quick attacks on the opponent. Troll: ■ Damage - 1.5x base enemy damage. ■ Warcry- Base enemy warcry but with the addition of "Grrrrr" to the end. ■ Attack - Warcry followed by a single attack on the opponent. ■ Ora: Dark Orc: ■ ■ ■ Damage - 2.0x base enemy damage. ■ Warcry- Base enemy warcry with the addition of…
- Create a C++ console application that implements this inheritance hierarchy. Note the following: The game has no "Enemy" object but it does have specific enemies. (Abstract) All enemies will have the following properties or behaviours Damage - A value representing how much damage they would do to an enemy. Default enemy damage is 10. Warcry - A proclaimation of their intent to do battle. Default enemies warcry is "Roar!" Attack - An ability to combine a warcry with damage. (Ex: "Roar!" "Deal 10 damage to opponent"). Skeleton: Damage - Base enemy damage Warcry - Base enemy warcry but with the addition of "Hssssssssssss" to the end. Attack - Warcry followed by two quick attacks on the opponent. Troll: Damage - 1.5x base enemy damage. Warcry - Base enemy warcry but with the addition of "Grrrrrrrr" to the end. Attack - Warcry followed by a single attack on the opponent. Orc: Damage - 2.0x base enemy damage. Warcry - Base enemy warcry with the addition of "AHHHHHHHHHH" to the end.…C++ Programming. Theme : Encapsulation and inheritance Task : General setting. The program must contain: • base class X, which includes two elements x1, x2 of type int, • constructor with parameters for creating objects in dynamic memory area, • destructor, • virtual methods for viewing the current state and reinstalling base class objects to a new state. • derived class Y, including one element y of type int , • a constructor with parameters and an initializer list, passing data to the base class constructor, • overridden methods for viewing the current state of objects and reinstalling them to a new state. Create a Run method in the derived class that defines: Value х1×х2-уExercise on class inheritance in C++. General requirements: • All data members must be declared as “private” • No global variable is allowed to be declared and used (constants are ok) • Methods within the class and the requested functions cannot have “cin” or “cout” but it should make use of parameters and return value instead unless it is stated explicitly. • “cin” and “cout” should be used in main() or any testing functions • Please make sure that you clearly show how the C++ class, its methods and all the functions are being called and print out its return value and its results properly Please answer the following questions. 1. Define a class named “BooleanVariable” that manages a variable name (string) and a boolean value (true or false). It should not have default constructor. The class must at least provide the following methods: - toString() method that can return a string in the following format: variable-name(variable-boolean-value) such as isSuccessful(true) -…
- What will be the order of execution of base class constructors in the following method of inheritance: class A:public B{ . }; Select one: a.constructor of B, then constructor of A will be executed b.only the constructor of B will be executed c.constructor of A, then constructor of B will be executed d.only the constructor of A will be executedConsider the same program to identify the following concepts 1. Pure virtual function2. Mode of inheritance3. Dynamic Binding4. Parent class constructor call5. Access to Protected data members1. An inheritance principle is used to explore and extend the Course class. The UML of the Course is presented below: Course - courseName : String - sectionNumber : int - instructorName : String - numberOfStudentsEnrolled : int #Course() #Course(courseName : String) #Course(courseName : String, sectionNumber: int, instructorName : String) +getCapacity() : int +getCourseName() : String +setCourseName(courseName : String) : void +getSectionNumber() : int +setSectionNumber(sectionNumber : int) : void +getlnstructorName() : String +setlnstructorName(instructorName : String) : void +getNumberOfStudentsEnrolled() : int +toString(): String Part 1.1. Implement the abstract class Course strictly according to its UML one-to-one (do not include anything extra, do not miss any data fields or methods). Add comments to your program and mark where data fields, constructors, getters, setters and toString() are located, and which method is abstract or static (if any). Note: No methods should have any…
- wirte a c++ program c++ 1. Student Evaluation using Inheritance TASK Step1: Create a class studentpersonal declare rollno, age, name, sex in protected mode. Step2: Using a parameterized constructor initialize the values for all the data members. Step 3: Create another class studentmark that is inherited from the base class and having the data members mark1, mark2, mark3 and mark4. Using a parameterized constructor initialize the value for mark1,mark2,mark3 and mark4. Step 4: Create another class call studentsports and declare score as protected mode. Step 5: Create a class studentresult and public inherited form studentmarks and studentsports having the data members total, avg,grade. Step6: Calculate the total and average and display the result.Use Cpp language. class Employee {private:string Eidstring Ename;static deptno;1: Define a default, parameterized and copyconstructor for the given class.2: Define a Destructor for the given class.3: Define a separate setter and getter for each datamember. Setter and Getter for Static data membershould be static.4: Create 4 separate objects. Call default andpublic:parameterized constructor for 2 objects. Moreover,call copy constructor for the other 2.5: Display the details of each object by callingrespective getters.Map each of the keywords on the left to the statement that describes it the best. Inheritance Class Object Polymophism Instance variable [Choose ] ✓ It is any variable that does not represent a living being. It allows properties and functions to be passed to another object when an object is deleted. It represents a blue print of an object. It is like a global variable that can be accessed in all functions of a program. It is a category to organize variables and objects in groups. It is an instance of a class. It is a programming command with a special meaning. Classes can acquire properties and functions from other classes. It is a property inside that class that exists throughout the lifetime of an object. It is used to define the relationship between classes. It is a variable of a primitive type. It is a variable that can store values of multiple types. It allows a variable of a super class type to be assigned an instance of a subclass type. It is used to describe that a class…