Class OptionalExamples.User

java.lang.Object

net.jrodolfo.java_evolution.java08.OptionalExamples.User

Enclosing class:

OptionalExamples

public static class OptionalExamples.User
extends Object

Small Java 8-style data class used by the Optional examples.

This deliberately allows a nullable email so the examples can demonstrate how Optional represents missing data.

Constructor Summary

Constructors

Constructor	Description
User(String name, String email)	Creates a user.

Method Summary

Modifier and Type	Method	Description
String	email()
String	name()

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

User

public User(String name,
 String email)

Creates a user. The email is intentionally nullable so the examples can demonstrate converting legacy nullable data into Optional.

Parameters:

name - the user's display name

email - the user's email, or null when it is missing

Method Details

name

public String name()

Returns:

the user's display name

email

public String email()

Returns:

the user's email, which may be null