Since Java 9, it’s possible to use Optional with a stream in case we need to manipulate values from a List. In this Java Challenge, we will explore the use of a stream in an Optional! Are you ready to solve this Java Challenge? If you want to...
The Optional concept is present in many other programming languages. The main goal of the Optional class is to avoid NullPointerException. It’s much easier to deal with null values when we use the concepts of an Optional. In this challenge, we...
Solve this Java Challenge about Optional and improve your Java skills! If you want to take the Java certification, the Java Challenges will massively help you to achieve that! Check out the Optional Java Challenge and try to solve it as well...