1. Overview. In this tutorial, we’re going to show the Optional class that was introduced in Java 8 . The purpose of the class is to provide a type-level solution for representing optional values instead of null references.1 Eki 2021
When did Java add Optional?
1. Overview. In this tutorial, we’re going to show the Optional class that was introduced in Java 8 . The purpose of the class is to provide a type-level solution for representing optional values instead of null references.1 Eki 2021