Home » Author Archives: Carlo Sciolla

Author Archives: Carlo Sciolla

An enterprise software engineer by day and Clojurian, meetup organizer, blogger and biker by night, Carlo is an Open Source enthusiast and passionate of every thing software. Currently working as Product Lead at Backbase, he is also the organizer of the Amsterdam Clojurians meetup and the yearly October Amsterdam Clojure conference.

Spring Environment is for initialization code only


Since version 3.1, the Spring framework offers an abstraction towards several different sources through which you can easily configure your application: the Environment. In this post I describe a micro benchmark that I ran to prove that, while it’s a convenient API if you’re using Spring in your application, it might introduce a performance penalty for which you should not ...

Read More »

Java StringBuilder myth debunked


The myth Concatenating two Strings with the plus operator is the source of all evil — Anonymous Java dev NOTE: The source code for the tests discussed here can be found on Github It’s from university time that I learned to regard String concatenation in Java using the ‘+’ plus operator as a deadly performance sin. Recently there has been ...

Read More »
Want to take your Java Skills to the next level?
Grab our programming books for FREE!
  • Save time by leveraging our field-tested solutions to common problems.
  • The books cover a wide range of topics, from JPA and JUnit, to JMeter and Android.
  • Each book comes as a standalone guide (with source code provided), so that you use it as reference.
Last Step ...

Where should we send the free eBooks?

Good Work!
To download the books, please verify your email address by following the instructions found on the email we just sent you.