How to Create Custom Namespaces and Handlers in Spring

Custom namespaces in spring are a way to replace the complex bean definitions with a more user-friendly configuration.

Spring itself provides several namespaces out of the box. e.g.

Localization with Spring

Localization enables applications to cater to users of different locations and languages. Spring, as usual, has support for this aspect as well.

Before jumping into what Spring has to offer, let's explore what we get from Java itself.