![]() We can find plenty of articles on the internet explaining how to write null-safe code. Kotlin’s Nullability vs.NullPointerExceptions (often shortened as “NPE”) are a nightmare for every Java programmer. Val value2: String = optionalValue.getOrElse 4. ![]() Val value1: String = optionalValue.getOrDefault("Default Value") Let’s see some quick examples: val optionalValue: Optional = Optional.empty() This provides flexibility in generating the default value dynamically. getOrElse() allows us to specify a lambda expression that will be evaluated, and its result will be returned as the default value if the Optional is empty. ![]() getOrDefault() allows us to specify a default value that will be returned directly if the Optional is empty.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |