Guava brings filtering and transformation on collections to standard Java and that is the subject of this post. Guava’s Collections2 class features two public methods, both of which are static.

Java has long had a built-in Arrays.sort method, and Collections.sort allows for sorting by natural order or using a custom comparator. However, these approaches are destructive, meaning they ...

So implementing them takes much more work, especially implementing the methods that return subsets of the underlying data structure. We've looked at the fundamentals of the Java Collections ...

Instance main methods and unnamed classes, coming in Java 21, will forever change how developers learn Java and bootstrap applications. Why? They provide a simple, clean and concise syntax to launch ...

I haven't used the apache collections library, but guava is the very first thing I add to any new java project. Even if you completely exclude the collections part altogether, it is still insanely ...