QUESTION 5 To access the predecessor in a inheritance chain use the Java keyword QUESTION 6 Private constructors can be used for what purpose? Singleton Creation Allow interfacing objects to different languages. Preventing Object Instantiation Allowing only members of your package to instantiate the object.
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- Computer Science Multiple inheritances (if supported by a language) occurs when a single class inherits properties from 2 or more classes. Multiple inheritance is NOT supported in Java. One can enable multiple inheritances in Java through the use of interfaces. Show how you can enable multiple inheritance in Java and give one or more simple examples.Create any single that uses Object-oriented programming (concepts) which include: • Input validation. • Inheritance. • Constructors. • Encapsulation. • Polymorphism • Static variables and function. • Late binding.Java does not support multiple inheritance, but some of the abilities of multiple inheritance are available by Java does not support multiple inheritance, but some of the abilities of multiple inheritance are available by overriding parent class methods creating aliases importing classes using public rather than protected or private modifiers implementing interfaces
- 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…Inheritance is an OOP concept such that a class can be defined in different ways, such as either being typecasted to itself (as a subclass) or any of its superclasses. True Falsejava languageCreate the inheritance relationship by doing base class People, derived class StudentModify the Student constructor method to receive data from the People class as an argument.In main modify the creation of student object using constructor to pass attributes of people and studentModify the ShowStudent method so that it displays the People data. In main it will not be necessary
- C++ Please make the necessary changes and finish the code. Upvote for quick working code in Visual Studio. Thank You. Objectives• To reinforce previously learned fundamentals• To further apply OOP principles• To understand inheritance betterInstructionsMajor steps outline:1. Implement a BasicShape class, which will be a pure abstract base class2. Implement a Circle class derived from the BasicShape class3. Implement a Recentage class derived from the BasicShape class4. Dynamically create objects of the derived classes (at least 6 objects), and store them in a vector<BasicShape*>5. Iterate through the vector, and call the whatAmI, as well as the getArea method (described later) to ensure the correct areas are calculate for the given shapeImplement a BasicShape classWrite one file:• BasicShape.hThe class is a pure abstract base class, which means all of its methods are pure virtual functions. If you don’t know what this means, please refer to the lecture video as well as the…C++ Please make the necessary changes and finish the code. Upvote for quick working code in Visual Studio. Thank You. Objectives• To reinforce previously learned fundamentals• To further apply OOP principles• To understand inheritance betterInstructionsMajor steps outline:1. Implement a BasicShape class, which will be a pure abstract base class2. Implement a Circle class derived from the BasicShape class3. Implement a Recentage class derived from the BasicShape class4. Dynamically create objects of the derived classes (at least 6 objects), and store them in a vector<BasicShape*>5. Iterate through the vector, and call the whatAmI, as well as the getArea method (described later) to ensure the correct areas are calculate for the given shapeImplement a BasicShape classWrite one file:• BasicShape.hThe class is a pure abstract base class, which means all of its methods are pure virtual functions. If you don’t know what this means, please refer to the lecture video as well as the…Classes in the same inheritance hierarchy typically belong in the same package. Select one: True False
- Design and Implement Object Oriented Applications Create a UML Class Diagram for an organization of your choosing, then translate the UML diagram into a java application. Make sure your implementation includes the following. 1- Access Specifiers 2- Constructor and Static Variables. 3- Exception Handling. 4- Inheritance. 5- Polymorphism (overriding - overloading).Explain the different visibility modes in inheritance with an appropriate code.Class Relationships Exercises 1. In Java, we use inheritance for "is-a" relationships. Containment, on the other hand, indicates that one object has another object. These are "has-a" relationships. For the following relationships, determine if they are a "is-a" or a "has-a" relationship: o bicycle - vehicle o car - engine o pizza - topping o food - pizza o dog - mammal 2. Share with someone else 3 other examples for each of the following relationships: o Inheritance ("is-a" relationship) o Containment ("has-a" relationship) 3. public class PersonInfo { protected String firstName; protected String birthdate; } public class ChildInfo extends PersonInfo { private String schoolName; } public class MotherInfo extends PersonInfo { private String spousename; private ChildInfo children1; private ChildInfo children2; private ChildInfo children3; ... } A. Draw the relationships for the classes above using UML. If a class inherits from another class, draw an open arrow pointing to the base class…