Null pointer exception is an “exception” (error) that is particularly common when programming in Java. For a beginner, this is a confusing and daunting message to receive, but it can be just ...

Currently, in the pure Java space, most current projects approach nullability by treating the null status as extra information to be processed via a build-time checker (static analysis) tool.

Java 8 introduced Java developers to functional programming with lambda expressions. This Java release effectively notified developers that it’s no longer sufficient to think about Java ...