C++ - Sample Questions

How access specifiers in Class helps in Abstraction?

Which concept allows you to reuse the written code?

Which of the following shows multiple inheritances?

Wrapping data and its related functionality into a single entity is known as _____________

What will be the output of the following C++ code? #include<iostream> using namespace std; class Test { private: static int count; public: Test& fun(); }; int Test::count = 0; Test& Test::fun() { Test::count++; cout << Test::count << " "; return *this; } int main() { Test t; t.fun().fun().fun().fun(); return 0; }

What does polymorphism in OOPs mean?

How structures and classes in C++ differ?

What will be the output of the following C++ code? #include <iostream> using namespace std; class Player { private: int id; static int next_id; public: int getID() { return id; } Player() { id = next_id++; } }; int Player::next_id = 1; int main() { Player p1; Player p2; Player p3; cout << p1.getID() << " "; cout << p2.getID() << " "; cout << p3.getID(); return 0; }