5:26Using Java 8 Optional to Avoid Null Returns: Best Practices and ExamplesThe Debug Zone18 viewsView & Download
11:38Java Optionals, a Practical Walkthrough - Java ProgrammingWill Tollefson2.2K viewsView & Download
1:46"Unwrap" Optional of Optional.empty before return in a Java stream (or Parallel Stream)The Debug Zone14 viewsView & Download
15:30Master Optional in Java 8: Complete Guide for BeginnersEngineering Digest48.0K viewsView & Download
