June 7, 2001— Experienced Java developers are expected to have a collection of design patterns in their toolbox. Sun’s certification exam for Java architects already explicitly tests for knowledge of ...

Persistence is one of the greatest challenges for building applications. There are many options for building persistence layers. Data Access Objects (DAO) is a popular design pattern for building the ...

Search serves the purpose of retrieving a view or list of already persisted instances of business objects for a business scenario. For example, in a bank account system, a typical search would be, ...

A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...

Many developers are tasked with writing unit tests as test-first design and development becomes commonplace, even on teams that aren't strictly practicing Agile methodologies. Test-driven development ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...