Do you want to know how to develop your skillset to become a Java Rockstar?

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!

1. JPA Mini Book

2. JVM Troubleshooting Guide

3. JUnit Tutorial for Unit Testing

4. Java Annotations Tutorial

5. Java Interview Questions

and many more ....

 

Spring Integration – Application from scratch, Part 2

spring-interview-questions-answers

This is the second part of the tutorial where we are creating an invoices processing application using Spring Integration. In case you missed it, be sure to look at the first part. Previously we’ve defined functional requirements for the system, created gateway, splitter, filter and router component. Let’s continue with creating a transformer. 5. Transforming invoices to the payments We’ve ...

Read More »

Spring Integration – Application from scratch, Part 1

spring-interview-questions-answers

Before we start In this tutorial you will learn what is Spring Integration, how to use it and what kind of problems does it help to solve. We will build a sample application from the scratch and demonstrate some of the core components of Spring Integration. If you’re new to Spring check out another tutorial on Spring written by me ...

Read More »

JAXB and java.util.Map

java-interview-questions-answers

Is it ironic that it can be difficult to map the java.util.Map class in JAXB (JSR-222)? In this post I will cover some items that will make it much easier. Java Model Below is the Java model that we will use for this example. Customer The Customer class has a property of type Map . I chose this Map specifically ...

Read More »

Appsec at RSA 2013

software-development-2-logo

This was my second time at the RSA conference on IT security. Like last year, I focused on the appsec track, starting with a half-day mini-course on how to write secure applications for developers, presented by Jim Manico and Eoin Keary representing OWASP. It was a well-attended session. Solid, clear guidance from people who really do understand what it takes ...

Read More »

Finding Properties in JARs with Groovy

groovy-logo

In previous blog posts I have looked at Searching JAR Files with Groovy to find entries (such as .class files) contained in the JAR and Viewing a JAR’s Manifest File with Groovy. In this post, I look at using Groovy to find a particular property in a properties file contained within a JAR. The script in this post searches JARs ...

Read More »

Hunting down memory leaks: a case study

java-logo

A week ago I was asked to fix a problematic webapp suffering from memory leaks. How hard can it be, I thought – considering that I have both seen and fixed hundreds of leaks over the past two years or so. But this one proved to be a challenge. 12 hours later I had discovered no less than five leaks ...

Read More »

Expressive JAX-RS integration testing with Specs2 and client API 2.0

java-interview-questions-answers

No doubts, JAX-RS is an outstanding piece of technology. And upcoming specification JAX-RS 2.0 brings even more great features, especially concerning client API. Topic of today’s post is integration testing of the JAX-RS services. There are a bunch of excellent test frameworks like REST-assured to help with that, but the way I would like to present it is by using ...

Read More »
Do you want to know how to develop your skillset and become a ...

Subscribe to our newsletter to start Rocking right now!

To get you started we give you our best selling eBooks for FREE!
Get ready to Rock!
To download the books, please verify your email address by following the instructions found on the email we just sent you.

THANK YOU!

Close