Which method can be used to check null in Java 8?

Solution: Using Optional Class ofNullable() method of the Optional class, returns a Non-empty Optional if the given object has a value, otherwise it returns an empty Optional. We can check whether the returned Optional value is empty or non-empty using the isPresent() method.

Sizin İçin Seçtik  Astigmat gözlük takılmazsa ne olur?

Leave a Reply

Your email address will not be published. Required fields are marked *

Which method can be used to check null in Java 8?

Solution: Using Optional Class ofNullable() method of the Optional class, returns a Non-empty Optional if the given object has a value, otherwise it returns an empty Optional. We can check whether the returned Optional value is empty or non-empty using the isPresent() method.

Sizin İçin Seçtik  TÖMER belgesi nereden alınır?

Leave a Reply

Your email address will not be published. Required fields are marked *