Tag: Java, Optional, Null Safety, Java Best Practices

What Is the Role of Optional in Java and How to Use It Properly?

The Optional class in Java helps avoid null pointer exceptions elegantly.

Null Safety with Optional

Optional allows you to represent the absence of a value without using null.

Use Cases of Optional

Use Optional in situations where a value may or may not be present.

Example Code

            Optional name = Optional.ofNullable(getName());
            name.ifPresent(System.out::println);
            

This code shows how to handle nullable values with Optional.