As Java developers, we've all encountered the infamous NullPointerException (NPE). It's like an uninvited guest at a party, showing up when least expected and causing all sorts of trouble. But fear ...

Java is a language known for its rich ecosystem and robust features, but one common issue developers face is dealing with null values. To address this problem, Java introduced the Optional class in ...

From this article you will learn how to handle optional parameters in Java. We’ll focus on regular method, class constructors with optional fields, and quickly look at bad practices of the discussed ...

After upgrading from SpringBoot 2.0.6 to SpringBoot 2.1.3 it's no longer possible deserialize data object that contain fields from type Optional. Serialization works fine (and looks same as in 2.0.6) ...