Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Programming and Data Structure OOPs concept
What is an abstract class in OOP?
1
A class with no methods
2
A class that cannot be instantiated
3
A class that can only have private members
4
More than one of the above
5
None of the above