Get a deep dive into using method references in your Java programs, including stream operations, event listeners, and constructors and factories.

This tutorial explains how a Java HashMap works internally and explores the challenges of implementing it, including buckets, collisions and hash codes.

Type erasure in Java generics programming can cause a variety of problems in your code. Fortunately, there are ways to work around them.

Along with a ton of other things, of course. Java introduced the concept of "single abstract method" types to do function pointer-like things. Lambdas can be used as SAM types instances.

I'm trying to find the cause of a NotSerializable Exception, but the app only logs redisson stack. I already check and my code doesn't have any sublist, so I was wondering how can I find the origin ...

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