Testing Spring components with Mockito

Be able to unit test your spring components without the need of loading the full spring-context with its ad-hoc test…

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Garbage Collector guidelines and tips

These are some of the guidelines and tips I usually look at when I need to tune the GC. Are…

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Building smart Builders

When building an API, you should always think about who is going to use it. When the API is simply…

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Even in the jdk there is bad code

Java 7, TreeSet and NullPointerException. Recently I tried to compile with java 7 a project developed with java 6. Lot…

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Easy testing SLAs on distributed components with grep4j

So your distributed architecture looks something like the picture below and you just have received a requirement from the business…

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Pool of ssh connections using Apache KeyedObjectPool

I found the org.apache.commons.pool extremely useful and robust, but not well documented. So, I’ll try to help a bit here…

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Chain of responsibility using Spring @Autowired List

There is a way in Spring 3.1 to auto populate a typed List which is very handy when you want…

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JUnit4 Parameterized and Theories Examples

I always relied on TestNG to pass parameters to test methods in order to give a bit of flexibility to…

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JBoss HornetQ for Kids, Parents and Grandparents – Chapter 1

It’s now almost 4 years that I’m working with HornetQ and I think it’s time to share part of what…

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