C++ (Computer program language) Object-oriented programming (Computer science) 21 Data structures (Computer science) 17 C (Computer program language) 9 Visual programming (Computer science) 8 Microsoft Visual C++ 7 Computer graphics 6 Programming (Electronic computers) 6 Windows (Computer programs) 6 Computer algorithms 5 Java (Computer program language) 5 Computer programming 3 Computer software 3 Development 3 Visual Basic (Computer program language) 3 BASIC (Computer program language) 2 Computer animation 2 Computer program language 2 Data transmission systems 2 Debugging in computer science 2 MATHEMATICS / Probability & Statistics / General 2 Microsoft .NET 2 Microsoft .NET Framework 2 Object oriented programming (Computer science) 2 Operating systems (Computers) 2 R (Computer program language) 2 Statistics 2 Visual C++ (Computer program language) 2 Application software- development 1 Artificial intelligence 1