programming

31 Jul 2026

Arrays in Java are fundamental data structures used to store elements of the same type sequentially in memory. They provide a convenient way to manage collections of data where each element is accessed by its index.

Basics of Arrays

An array in Java is a fixed-size container that holds a specific number of elements of the same data type. This means all elements in an array must be of the same type such as integers (int), floating-point numbers (double), characters (char) or objects (Object).

31 Jul 2026 7:00pm GMT

30 Jul 2026

DZone Java Zone

Building a Config-Driven SOAP/REST Integration Layer: One Service, Many Protocols

If you've spent time in enterprise integration, you know the pattern: your platform needs to talk to dozens (sometimes hundreds) of external partner systems, and none of them agree on how they want to be talked to. Some expect SOAP envelopes. Others have moved to REST/JSON. Some want Basic Auth, others OAuth, others a bespoke token scheme. Multiply that by data formats that differ subtly - different XML schemas, different field names, different nesting - and you have a classic integration headache.

Back in 2019, I inherited a service in exactly this position. It was a .NET-based SOAP web service acting as a middleware layer: a caller would hit our service, our service would reach out to a customer's web service, retrieve the data, and hand a response back to the original caller. Request and response payloads were transformed using XSLT, with a distinct transformation mapped to each customer's expected schema.

30 Jul 2026 2:00pm GMT

29 Jul 2026

DZone Java Zone

This One Spring Data JPA Pattern Cleaned Up to 3 Years of Repository Debt

If you've spent more than a year building enterprise Java apps, you've probably felt this specific kind of pain: a product manager asks for a new search filter, and you open your repository file to find it already has 18 methods. You write number 19, then 20, and somewhere around method 25 you start wondering if there's a better way.

There is. It's called Spring Data JPA Specifications, and it's been sitting quietly in the framework the whole time.

29 Jul 2026 6:00pm GMT