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What Garbage Collector are you using?

Our research labs are humming at full speed. With the recent injection of capital, we can only warrant that the pace at which we keep innovating will only increase. Part of the research ...
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Using serialization to find dirty fields in an object

Say you are developing a framework to auto-save objects into a database. You need to detect changes made between two saves, so that only modified fields are saved. How to detect dirty ...
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Why we shouldn’t use more threads than we need to

Overview There is a common argument that because we have lots of cores, and will have even more in the future we have to use them.  We just we need to find the best ways to use them ...
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Lambdas for Fluent and Stable APIs

A few weeks ago I wrote an introduction on Java 8 lambdas. In this introduction I explained what a lambda is and how to use them in conjunction with the new Stream API, that is also ...
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Throttling Task Submission with a BlockingExecutor

The JDK’s java.util.concurrent.ThreadPoolExecutor allows you to submit tasks to a thread pool and uses a BlockingQueue to hold submitted tasks. If you have thousands of tasks ...
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Too Many Parameters in Java Methods, Part 8: Tooling

The first seven posts of my series of dealing with too many parameters expected in Java methods focused on alternative approaches to reduce the number of parameters a method or constructor ...
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Announcing EAXY: Making XML easier in Java

XML libraries in Java is a minefield. The amount of code required to manipulate and read XML is staggering, the risk of getting class path problems with different libraries is substantial ...
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Throttling Task Submission with a BlockingExecutor

The JDK’s java.util.concurrent.ThreadPoolExecutor allows you to submit tasks to a thread pool and uses a BlockingQueue to hold submitted tasks. If you have thousands of tasks ...
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Would you dare to change HashMap implementation?

There are bold engineers working for the Oracle nowadays. I came to this conclusion when trying to nail down a Heisenbug yesterday. Not too surprisingly, the bug seemed to disappear ...
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Top 10 Lists of Common Java Mistakes (That Makes Top 100!)

Top 10 lists are very popular, fun, and informative to read. But there are so many of them! How to choose the right one? Here’s a meta top 10 list helping you find the top 10 top ...
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