I Choose]They can be directly accessed in the derived class,They can be accessed by the member functions (and friend functions) of the derived class.They can only be accessed by the member functions of the derived class.They cannot be accessed by the member functions (and friend functions) of the derived class through the public or protected members of the base class.They can be accessed by the member functions (and friend functions) of the derived class through the public or protected members of the base class.The private members of the base class are hidden in the derived class.the public members of the base class are protected members of the derived classThey cannot be directly accessed in the derived class.The protected members of the base class are protected members of the derived class.can be accessed by the member functions (and friend functions) of the derived class.The protected members of the base class are public members of the derived class.The prívate members of the base class are hídden in the base class. 20. In this matching question choose all of the correct answers thatapply to how in a protected inheritance, the members of the base classare inherited by a derived class.Protected inheritance[ Choose]Protected inheritance[ Choose ]Protected inheritance[ Choose]Protected inheritance[ Choose]Protected inheritance[ Choose ]Protected inheritance[ Choose ]Protected inheritance[ Choose]>>>>>>

Inheritance is a feature of object oriented design, where one class receives the properties of…

20. In this matching question choose all of the correct answers that apply to how in a protected inheritance, the members of the base clas5 are inherited by a derived class. Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose] Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose] > > > > >

20. In this matching question choose all of the correct answers that apply to how in a protected inheritance, the members of the base clas5 are inherited by a derived class. Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose] Protected inheritance [ Choose ] Protected inheritance [ Choose ] Protected inheritance [ Choose] > > > > >

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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When employing hybrid inheritance, why is it required to create a virtual base class?
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Question 30 Which of the following description is TRUE? Inheritance allows us to define a class based on another class. Child classes receive all the features from the parent class but can NOT have their own additional features. Abstraction means that a method in a parent class can have a number of different implementations in child classes. An interface is a completely abstract class, which contains abstract properties, methods, and variables. The private access modifier makes members accessible only from within the class and hides them from the outside.
Part-2 (Encapsulation, Inheritance, Polymorphism) Create a Java project that demonstrates various object oriented concepts you have learned so far in this course (encapsulation, inheritance and polymorphism). To do this, create a super class and at least 2 subclasses. You can cither do multilevel inheritance or hierarchical inheritance in this to complete this part-2 task. The super class will have following propertics/functionalitics: a) Create a total of 3 member variables for the class, sclecting the appropriatc data types for cach ficld, b) Include an argument constructor in this Class, that will initialize all data fields. c) Encapsulate this Class. The two subclasses will have bclow properties/functionalitics: a) One of the subclasses will have at lcast one membecr variable and other subclass with at least two member variables. b) Have two constructors in cach subclass: One constructor for initializing only super class data Another constructor will initialize both super and…
PTHYON: BASIC INHERITANCE Set course_student's last_name to Smith, age_years to 20, and id_num to 9999.Sample output for the given program:Name: Smith, Age: 20, ID: 9999
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Create the inheritance hierarchy displayed below. The Student class has name(string) as a private data member. The Undergraduate Student class has private data member rank(string) that can be either freshman, sophmore, junior or senior. The GraduateStudent has private data member project (string). Include constrcutor and get/set functions as well as a print function in all classes. Test the class hierarchy by demonstrating polymorphic behiavior by decalring a vector containing Student, UndergraduatStudent, and GraduateStudent. Process the vector elements by calling the print function on each object in the array. Student Undergraduate Student Graduate Student
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