Interested to learn about Iterable? Check our article explaining how to convert an array to iterable in java using Stream api.

Interested to learn about Streams Filter? Check our article explaining Java 8 Streams Filter With Multiple Conditions Examples.

Learn how to find the words in mixed case strings using regular expressions, and how to convert them into sentences or titles

Learn two approaches to start two threads simultaneously: using CountDownLatch and CyclicBarrier

Learn how to use the four types of regex lookaround to solve some difficult cases of matching strings with regex.

Learn several approaches for serializing Java objects using third-party libraries or core Java's built-in serialization API.

Learn what causes the compiler error "code too large", along with situations where we might encounter it and what we can do to fix it.

Learn how to use Collector.groupingBy() to group the equal objects.

Transforming a String into an Optional is simple in Java 8. Is going from an empty String to an empty Optional just as simple?