What are some valid uses for spEL (Spring Expression Language) ?

Question

I was looking at spring expression language and it seems very useful if you are using for configuration xml files. However, the reference docs provide lot of examples that use t

Answer 1

In order to evaluate arbitrary runtime expressions in java you'd need to use the compilation framework, create a class, compile it, load it, bind it, execute it, ...

Expression languages and/or scripting eliminate a lot of additional work not directly related to the problem you're trying to solve. Which EL makes the most sense to use depends on several factors.