Differences between C, C++ and JAVA? What is OOPs? What is the difference between an object and a class? What is the difference between class and structure? What is public, protected, and private? What is a scope resolution operator? How variable declaration in C++ differs that in C? What are the C++ tokens? What do you mean by reference variable in C++? What do you mean by multiple inheritances in C++? What do you mean by implicit conversion? What is the difference between method overloading and method overriding? What do you mean by inline function? What is the difference between a NULL pointer and a void pointer? What do you mean by virtual methods? What do you mean by static methods? How many ways are there to initialize an int with a constant?