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How to find Prime Factors of Integer Numbers in Java – Factorization

One of the common homework/task in programming courses is about Prime Factorization. You are asked to write a program to find prime factors of given integer number. The prime factors ...
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Are Debuggers Crutches?

Debuggers have become powerful tools, but like a drug have we become too dependent on them? Since poor developers spend 25 times more time in the debugger there is a likelihood that ...
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OutOfMemoryError on overprovisioned heap

Why am I getting the OutOfMemoryError when allocating a data structure that should happily fit within the heap I have provided for the JVM? This was a question I recently faced. Indeed, ...
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Java 8 Friday: API Designers, be Careful

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every ...
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Java 8 default methods can break your (users’) code

At first glance, default methods brought a great new feature to the Java Virtual Machine’s instruction set. Finally, library developers are able to evolve established APIs without ...
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Tech Conferences for Dummies – dos and donts

I love going to tech conferences, I love the buzz, the learning, the engagement and the fun. There are a few things you can do to get the best value out of attending a tech conference, ...
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JavaOne 2014 – Some First Analysis on Submissions

Time is running away these days. So many things happening in parallel and of course the most important Java conference is in the middle of everything. JavaOne 2014 closed the CfP doors ...
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Do You Have Tutorial Unit Tests?

I haven’t posted much recently because I’ve been busy with my new job. This brings up an interesting question – you are busy with a new job a lot when you’ve been doing 6- and ...
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Yes, we do all infringe

When we use Java There is a lot of confusion about my We all Infringe post. So, I’m going to walk everybody (especially the lawyers) through the mechanics. Until last week, all ...
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Spring Integration 4.0: A complete XML-free example

1. Introduction Spring Integration 4.0 is finally here, and this release comes with very nice features. The one covered in this article is the possibility to configure an integration ...
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