Object-oriented programming (Computer science) 84 Congresses 15 Computer software 10 Development 10 Java (Computer program language) 7 Programming languages (Electronic computers) 7 Object-oriented databases 5 Software engineering 5 Pascal (Computer program language) 4 Eiffel (Computer program language) 3 Electronic data processing 3 Programming 3 Application software 2 C (Computer program language) 2 C++ (Computer program language) 2 COMMON LISP (Computer program language) 2 Computer programming 2 Database design 2 Distributed processing 2 Lingo (Computer program language) 2 Operating systems (Computers) 2 Periodicals 2 Smalltalk (Computer program language) 2 Abstract data types (Computer science) 1 Ada (Computer program language) 1 Artificial intelligence 1 Assembler language (Computer program language) 1 BASIC (Computer program language) 1 CGI (Computer network protocol) 1 CORBA (Computer architecture) 1