Uses of Class
net.jrodolfo.java_evolution.java08.OptionalExamples.User

Packages that use OptionalExamples.User

Package	Description
net.jrodolfo.java_evolution.java08	Examples for features introduced in Java 8.

Uses of OptionalExamples.User in net.jrodolfo.java_evolution.java08

Methods in net.jrodolfo.java_evolution.java08 with parameters of type OptionalExamples.User

Modifier and Type	Method	Description
String	OptionalExamples.displayEmail(OptionalExamples.User user)	Uses Optional.orElse(Object) to provide a default value.
String	OptionalExamples.displayEmailGeneratedLazily(OptionalExamples.User user)	Uses Optional.orElseGet(java.util.function.Supplier) to create a fallback only when the Optional is empty.
Optional<String>	OptionalExamples.findCompanyDomain(OptionalExamples.User user)	Uses Optional.flatMap(java.util.function.Function) when the transformation already returns an Optional.
Optional<String>	OptionalExamples.findEmail(OptionalExamples.User user)	Wraps a possibly null user email in an Optional.
Optional<String>	OptionalExamples.normalizeEmail(OptionalExamples.User user)	Transforms and validates a value while it is inside an Optional.
String	OptionalExamples.requireEmail(OptionalExamples.User user)	Uses Optional.orElseThrow(java.util.function.Supplier) when the missing value should be treated as an error.