What is the difference between C and C++?

C++ Interview Questions and Answers(2022)

• Define C++?
• What is the difference between C and C++?
• What is a class in C++?
• What is an object in c++?
• Why use access modifiers in C++?
• What are C++ access modifiers?
• What are the differences between a class and a structure in C++?
• Why is the size of an empty class not zero in C++?
• What is a constructor in c++?
• Is the default constructor exists in C++?
• What are the various OOPs concepts in C++?
• What is polymorphism in C++?
• What are the different types of polymorphism in C++?
• Compare compile-time polymorphism and Run-time polymorphism in c++?
• What is encapsulation in c++?
• What Is Inheritance in c++?
• What is an abstraction in C++?
• What is a reference in C++?
• What is the default constructor in c++?
• What is a destructor in C++?
• When is the destructor called in c++?
• Is it possible to overload the destructor of the class in c++?
• Should I explicitly call a destructor on a local variable in c++?
• How destructors are different from a normal member function in c++
• What is the difference between constructor and destructor in c++?
• What is “this” pointer in c++?
• Where we should use this pointer in C++?
• What is a “new” keyword in C++?
• What is the difference between new and malloc in c++?
• What is the difference between delete and free in c++?
• What do you mean by call by value and call by reference in c++?
• What is a namespace in c++?
• How to use namespace in C++?
• What is a member function in C++?
• What are static members in C++?
• What do you mean by inline function and How to implement the inline function in C++?
• What is the use of the inline function in C++?
• What is the advantage and disadvantage of the inline function?
• What’s the difference between static, inline, and void with functions?
• What is function overloading in C++?
• Explain some ways of doing function overloading in C++?
• What is operator overloading?
• What is the difference between function overloading and Operator Overloading?
• What is the assignment operator in C++?
• Can you overload a function based only on whether a parameter is a value or a reference in c++?
• What is Overriding in c++?
• Write a C++ program that describes function Overriding?
• What is the difference between function overloading and Overriding in c++?
• How to create and use a reference variable in C++?
• What is the difference between a pointer and a reference in c++?
• What is the virtual function?
• Write some important rules associated with virtual functions?
• Name the Operators that cannot be Overloaded in c++
• Figure out functions that cannot be overloaded in C++?

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• C++ Interview Questions and Answers(2022)

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