I'm looking for Java framework like libconfig. I like its simple human readable configuration files and also that I can create complex setting values composed from arrays, lists, groups.
Is there anything similar for Java (not XML) ?
Looks like a simple JSON-esque format; why not just use JSON?
Commons Configuration supports a similarly-formatted config using PropertyListConfiguration.
A Groovy-based ConfigSlurper might be suitable if you're considering JVM, rather than Java-the-language, solutions. JRuby and JavaScript etc. has similar implementations.