Codimis·3yInterview Questions — Optional in Java
This article discusses Java Optional and provides answers to commonly asked interview questions related to it. Optional is a container object that may or may not contain a non-null value. It was introduced to provide a clear and explicit way to handle the absence of a value and avoid null references. Several ways to create an Optional object are available, such as using `Optional.of`, `Optional.ofNullable`, or `Optional.empty`. The article also covers topics like retrieving the value inside an Optional, transforming the value, filtering an Optional based on a condition, and using Optional with Java Streams.