If single level inheritance is used and an abstract class is created with some undefined functions, can its derived class also skip some definitions?

OBJECT ORIENTED PROGRAMMING INHERITANCE AND ITS TYPES MCQ

• Which among the following best describes the Inheritance?
• How many basic types of inheritance are provided as OOP feature?
• Which among the following best defines single level inheritance?
• Which among the following is correct for multiple inheritance?
• Which programming language doesn’t support multiple inheritance?
• Which among the following is correct for hierarchical inheritance?
• Which is the correct syntax of inheritance?
• Which type of inheritance leads to diamond problem?
• Which access type data gets derived as private member in derived class:
• If a base class is inherited in protected access mode then which among the following is true?
• Members which are not intended to be inherited are declared as:
• While inheriting a class, if no access mode is specified, then which among the following is true? (in C++)
• If a derived class object is created, which constructor is called first?
• The private members of the base class are visible in derived class but are not accessible directly
• How can you make the private members inheritable?
• How many types of inheritance are possible in C++?
• Which among the following is true?
• Which type of inheritance is illustrated by the following code?
• Which among the following best describes multiple inheritance?
• How many types of inheritance can be used at a time in single program?
• Which type of inheritance results in diamond problem?
• If 6 classes uses single level inheritance with pair classes (3 pairs), which inheritance will this be called?
• Which among the following is correct for the following code?
• Which among the following is false?
• If class A has two nested classes B and C. Class D has one nested class E, and have inherited class A. If E inherits B and C, then:
• In hierarchical inheritance, all the classes involve some kind of inheritance. (True/ False)
• Which type of inheritance cannot involve private inheritance?
• How many classes can be inherited by a single class in multiple inheritance (C++)?
• How many classes can be inherited by a single class in java?
• If multi-level inheritance is used, First class B inherits class A, then C inherits B and so on. Till how many classes can this go on?
• Which among the following defines single level inheritance?
• If class A and class B are derived from class C and class D, then ________________
• If single inheritance is used, program will contain ________________
• Single level inheritance supports _____________ inheritance
• Which method in the code below is single level inherited?
• If single level inheritance is used and an abstract class is created with some undefined functions, can its derived class also skip some definitions?
• Which among the following is false for single level inheritance?
• Which concept will result in derived class with more features (consider maximum 3 classes)?
• Single level inheritance is safer than _____________
• Which language doesn’t support single level inheritance?
• Output of following program?
• Output of following program?
• Single level inheritance will be best for___________
• Which constructor will be called first from the classes involved in single inheritance from object of derived class?
• If base class contains 2 nested classes, will it be possible to implement single level inheritance?
• Which among the following best defines multilevel inheritance?
• If there are 5 classes, E is derived from D, D from C, C from B and B from A. Which class constructor will be called first if the object of E or D is created?
• If there are 3 classes. Class C is derived from class B and B is derived from A, Which class destructor will be called at last if object of C is destroyed
• Which Class is having highest degree of abstraction in multilevel inheritance of 5 levels?
• If all the classes use private inheritance in multilevel inheritance then ______________
• Multilevel inheritance allows _________________ in the program
• What is minimum number of levels for a implementing multilevel inheritance?
• In multilevel inheritance one class inherits _______________
• All the classes must have all the members declared private to implement multilevel inheritance
• Can abstract classes be used in multilevel inheritance?
• How many abstract classes can be used in multilevel inheritance?
• If all the classes used parameterized constructors and no default constructor then, ___________
• In multilevel inheritance, which is the most significant feature of OOP used?
• Does following code show multiple inheritance?
• Is it compulsory for all the classes in multilevel inheritance to have constructors defined explicitly if only last derived class object is created?
• Multiple inheritance is ____________________
• Which problem arises due to multiple inheritance, if hierarchical inheritance is used previously for its base classes?
• How many classes should a program contain to implement the multiple inheritance?
• Which programming language restricts the use of multiple inheritance?
• Is it possible to have all the abstract classes as base classes of a derived class from those?
• If class A inherits class B and class C as “class A: public class B, public class C {// class body ;}; ”, which class constructor will be called first?
• Why does diamond problem arise due to multiple inheritance?
• How many base classes can a derived class have which is implementing multiple inheritance?
• How to overcome diamond problem ?
• When multiple inheritance is used, which class object should be used in order to access all the available members of parent and derived class ?
• If all the members of all the base classes are private then,
• Is it compulsory to have constructor for all the classes involved in multiple inheritance?
• If a class contains 2 nested class and is being inherited by another class, will there be any multiple inheritance?
• Which members can’t be accessed in derived class in multiple inheritance ?
• Can the derived class be made abstract if multiple inheritance is used ?
• Which among the following is best to define hierarchical inheritance?
• Do members of base class gets divided among all of its child classes ?
• Each class can inherit the base class ________________
• How many classes must be there to implement hierarchical inheritance ?
• Base class _______________
• Which access specifiers should be used so that all the derived classes restrict further inheritance of base class members?
• Which class uses hierarchical inheritance in following code?
• Which among the following is correct for following code ?
• How many classes can be derived from the base class using hierarchical inheritance?
• If one class have derived the base class privately then another class can’t derive the base class publically
• Which among the following is true ?
• Hierarchical inheritance can be a subset of _________________
• Which type of inheritance is most suitable for inheriting Same syllabus into different colleges with different streams?
• Which class constructor is called first when an object of derived class is created?
• All the derived classes can access only few members of base class that other derived classes can’t access at same time, in hierarchical inheritance
• Which among the following best defines the hybrid inheritance?
• How many types of inheritance should be used for hybrid ?
• If single inheritance is used with class A and B. A is base class. Then class C,D and E where C is base class and D is derived from C, then E is derived from D
• Diamond problem includes ____________________ hybrid inheritance
• If __________________ inheritance is done continuously, it is similar to tree structure
• Which amongst the following is true for hybrid inheritance?
• Which type of inheritance must be used so that the resultant is hybrid?
• The private member’s are made public to all the classes in inheritance
• If hierarchical inheritance requires to inherit more than one class to single class, which syntax is correct? ( A,B,C are class names )
• What is the maximum number of classes allowed in hybrid inheritance?
• What is the minimum number of classes to be there in a program implementing hybrid inheritance?
• If object of lowest level class is created ( last derived class ), _________________ of its parent class constructors are called
• If hybrid inheritance is used, it mostly shows _______________ feature of OOP
• The sequence of destructors being called while using hybrid inheritance is ____________
• Overloading operators are possible only by using hybrid inheritance

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