Building a Career Path through Programming Books

In my first years as a self-taught programmer, my main source of information was not books. I read a few, but most of the time, when I needed help, I just looked for a blog post or tried to come up with something myself, often reinventing the wheel in the process.

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Inside Java Collections

Collections are possibly the biggest and trickiest subject to master in the Java language. When we understand their internal workings, we can make the right decisions for our code's requirements.
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MongoDB 4.2: Transactions Are in the House

 If you've used MongoDB or been a part of users' conversations about MongoDB, you'll be aware that, while it's one of the most successful NoSQL databases available, it has faced a lot of criticism for not supporting multi-document transactions. Now, that's about to change.

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Use Java EE JSON to Avoid Mapping Complex DTOs

(This article was first published on LinkedIn.)

When developing applications, you’ve probably faced a situation in which you need to integrate with third-party APIs, either to improve a service that provides users with data or to add a new functionality. Many software engineers solve this by...

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