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 ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Cory Benfield discusses the evolution of ...

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, ...

Microsoft would like you to use ADO to access your data, but is it the right solution for you? Follow along with our step-by-step example to learn more about this technology and see what advantages ...

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 ...

Object-oriented systems are usually partitioned into layers of related responsibilities and only dependencies in one direction are allowed, from higher layers (more specific, less reusable) to lower ...

As enterprises pour billions into GPU infrastructure for AI workloads, many are discovering that their expensive compute resources sit idle far more than expected. The culprit isn't the hardware. It’s ...

Note: This article is excerpted from Chapter 7, "Creating a Shared Database," of Microsoft .NET and J2EE Interoperability Toolkit [Microsoft Press, 2003, ISBN: 0735619220]. It has been edited for ...

A few best practices can go a long way toward protecting your Access data from careless or overly curious users. Here are some simple ways to add a few layers of security to a database. A few best ...