OOPS J2EE Interview Questions [30 Questions]

  1. Friend Function OverloadWhy friend function cannot be used to overload the assignment operator?
  2. inner classesWhat are advantages of inner class
  3. what is the difference between call by value, call by reference, call by address?no answers
  4. int i;
    void main()
    {
    int j=100,k;
    cout<}
    what is the output?
  5. What is the need of an abstract class? If I write all of concrete methods in one class and all abstract methods in an interface and extend and implement both in third class assume that third class don't extend any other class?
  6. You must first Login or Register to view all 30 questions from this category.


    Registering yourself is FREE, takes just less than a minute and opens up a whole new GetGyan experience.