Java (Computer program language) Development 53 Application software 48 Application program interfaces (Computer software) 16 Web applications 13 Computer programming 11 Spring (Software framework) 10 Cloud computing 9 Computer software 9 Web site development 8 Android (Electronic resource) 6 Computer programs 6 Testing 6 Computer security 5 Electronic data processing 5 Functional programming (Computer science) 5 Mobile apps 5 Software architecture 5 Apache Maven 4 Distributed processing 4 Representational State Transfer (Software architecture) 4 Automation 3 Computer multitasking 3 Object-oriented programming (Computer science) 3 Object-oriented programming languages 3 Open source software 3 Security measures 3 Software patterns 3 Algorithms 2 Apache Kafka 2