MCQ – Java Polymorphism

ULTIMATE MCQs – Multiple Choice Questions on Porlymorphism in java oops concept with Answer and Explanation to polish your concepts and help in written test in job interviews. MCQs on Polymorphism in Java Q) What concepts come under Polymorphism in java? Method overloading Constructor overloading Method overriding All the above Q) Which polymorphism behavior do … Read more MCQ – Java Polymorphism

Linux Multiple Choice Questions – Best Linux MCQs

Linux multiple choice questions for interview and Linux exams preparation. Most of the Linux MCQs are asked in the interviews and they have answers and explanations. Q) Core of Linux operating system is Kernel Shell Terminal Command Q) Which one provide command interpreter environment? Kernel Shell CPU Hardware Q) Which directory contains configuration files in … Read more Linux Multiple Choice Questions – Best Linux MCQs

MCQs – C++ Virtual Concepts

MCQ on virtual function, VPTR, VTABLE and destructors etc. for interview exams preparation. These multiple-choice questions on virtual concepts contain the answer and explanation.   Q) Which concept is not available in C++? Virtual constructor Virtual destructor Virtual function Virtual Table   Q) What is output of the following C++ program? class A{ public:       … Read more MCQs – C++ Virtual Concepts

MCQ Java Interfaces

Q) Which keyword is used to declare an interface in java? class interface implements abstract Q) A java interface can contain ———— public static Final Variables only public Abstract methods Abstract methods(unimplemented) and implemented methods both public static Final Variables and abstract methods both Q) Which is the correct way to inherit and implement the … Read more MCQ Java Interfaces

MCQs – SQL Basics

MCQ –  Basic SQL multiple-choice questions with answers for written test in software job interview in IT companies. Q) Which statement is wrong about PRIMARY KEY constraint in SQL? The PRIMARY KEY uniquely identifies each record in a SQL database table Primary key can be made based on multiple columns Primary key must be made … Read more MCQs – SQL Basics

MCQ – Java oops concept

Q) Java object oriented programming concepts is/are Encapsulation Inheritance polymorphism All of the above.   Q) Java does not support _______________? Inheritance Multiple inheritance for classes multiple inheritance of interfaces compile time polymorphism Q) Runtime polymorphism feature in java is method overriding method overloading constructor overloading operator overloading Q) Encapsulation concept in java is Hiding … Read more MCQ – Java oops concept

MCQs – Java Inheritance

Q) Which inheritance in java programming is not supported Multiple inheritance using classes Multiple inheritance using interfaces Multilevel inheritance Single inheritance   Q) What is subclass in java? A subclass is a class that extends another class A subclass is a class declared inside a class Both above. None of the above. Q) If class … Read more MCQs – Java Inheritance

MCQs – C++ Polymorphism

Q) Compile time polymorphism in C++ language are Operator overloading Function overloading Function overriding B Only A & B Q) C++ abstract class can contain Pure virtual function Non-virtual function Only pure virtual function Both pure virtual and non-virtual function Q) False statements about function overloading is Defining multiple functions with same name in a … Read more MCQs – C++ Polymorphism