Object-oriented programming (Computer science) 6 UML 6 Object oriented programming 4 C++ (Computer program language) 2 C++ programming 2 Computer algorithms 2 Computer science 2 Computer software 2 Data structures (Computer science) 2 Development 2 Object - oriented design 2 Object oriented design 2 Object-oriented design 2 Object-oriented methods (Computer science) 2 Computer software-Development 1 Database 1 Java 1 Java (Computer program language) 1 Java programming language 1 Object - orientation 1 Object models 1 Object oriented programming (Computer science) 1 Powerbuilder 1 Programming (Electronic Computers) 1 Python (Computer program language) 1 Software engineering 1 Software patterns 1 System analysis 1 System design 1 System dvelopment and models 1