Object-oriented programming (Computer science) 71 C++ (Computer program language) 30 Computer science 23 Object-oriented programming 22 C++ 21 Object oriented programming 19 Java (Computer program language) 16 Object - oriented programming 15 Computer programming 10 Computer software 10 Programming languages 9 Development 8 Java 8 Computer 7 Computer Science 7 Data structures (Computer science) 6 Python (Computer program language) 6 System design 6 C (Computer program language) 5 Software engineering 5 BASIC (Computer program language) 4 Data structures 4 Perl (Computer program language) 4 Polymorphism 4 UML (Computer science) 4 C++ programming 3 CORBA (Computer architecture) 3 Computer program language 3 Constructors 3 Object oriented programming (Computer science) 3