Java (Computer program language) 85 Internet programming 11 Object-oriented programming (Computer science) 10 Wireless communication systems 7 Application software 5 Development 5 Graphical user interfaces (Computer systems) 5 Web servers 4 Application program interfaces (Computer software) 3 Computer security 3 Database management 3 Distributed processing 3 Electronic data processing 3 Business 2 Computer graphics 2 Data processing 2 Database design 2 Parallel programming (Computer science) 2 Service-oriented architecture (Computer science) 2 Servlets 2 Web site development 2 Internet (Computer network) 1 Java foundation classes 1 Java native interface 1 JavaBeans 1