In case of overloading, it's the responsibility of the compiler to bind the method calls with the method body based on method signatures.ĭ. Data members can be used in PolymorphismĬ. Overriding can only be achieved when there is a has-a relationshipī. In the case of Overriding, it is the responsibility of the compiler to bind the method calls with the method body.Ī. In the case of Overriding, the creation of objects happen at compile time and these objects are used for calling objects at runtime.ĭ. In the case of Dynamic polymorphism, method behavior is decided at runtime.Ĭ. In case of overloading, binding of objects with methods happens at runtime.ī. PolymorphismDemoClass2 obj = new PolymorphismDemoClass2() Ī. PolymorphismDemoClass obj = new PolymorphismDemoClass() Method parameters sequence can change in overriding. Covariant return types can be used in case of method overloadingĭ. Child class can use covariant return types in case of method overriding.Ĭ. Parent class method method1 return type is Class A and child class of Parent class overrides the method method1 and can change the return type from Class A to Class B (B is the subclass of A)ī. Return type can change in case of Overloading.Ī. Overriding can be achieved with static methodsī. Polymorphism Online Quiz - Multiple Choice Questions and Answers (MCQ)Ī. Read Also: OOPs Interview Questions and Answers Please make sure to go through what is Polymorphism, real-life examples, and different types of Polymorphism article before attempting to answer the below set of questions. Share And Enjoy: These icons link to social bookmarking sites where readers can share and discover new web pages.In this post, I will be sharing Polymorphism online quiz - multiple choice questions and answers. Quiz, personality quiz, quizzes, quiz questions, character quiz, knowledge quiz, personality test, personality quizzes, quiz are you, quiz questions and answers. Abstract class objects never have to be instantiated.Ī system that translates domain names to IP addresses Dynamic method binding is a Java feature that exhibits polymorphism.Ģ1. Polymorphism makes systems less extensibĢ0. Placing the elevatorRef data member in the protected section of the base-class declaration allows the derived classes to access that data member.ġ9. cpp files before building an executable file.ġ8. After we implement inheritance in our system, we must recompile all our. A base-class initializer must always be provided in the derived-class constructor to call the base-class constructor.ġ7. When deriving from a private base class, the public, protected and private members of the base class become private members of the derived class.ġ6. Because friend functions are inherited, deriving a class from a base class with friends can violate the encapsulation of the derived class.ġ5. To refer to a class without using prefixes.ġ4. What is the advantage of using import statements? To act as the entry point for the program.ġ2. If a constructor for a class is not specified, a default constructor is used.Īdd features to existing classes without rewriting them.ġ1. Which of the following statements is true in C++?Ī class must have at least one member function. The concept of derived classes is involved inĨ. Providing access to an object only through its member functions, while keeping the details private is called. Which one of the following terms must relate to "polymorphism"Ħ. Which one of the following is the first fully Object-oriented language?ĥ. Which of the following is not a part of OOP?ģ. These Java polymorphism interview questions have also covered the simple as well as tricky coding questions for the best practice so that you are able to. Hierarchy, Concurrency and Typing are the major elements.Ībstraction, Encapsulation and Hierarchy are the major elements.Ģ. Which one of the following is true?Ībstraction, Encapsulation and Persistence are the major elements. In an object model, there are major and minor elements.
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