Java Optional Sınıfı Kullanımı
Java 8: Lambdas, Monads and Java Collections - 12.05.2015 @JInkubator
OptionalInt orElseThrow(Supplier) method in Java with examples - GeeksforGeeks
26 Reasons Why Using Optional Correctly Is Not Optional - DZone
Optional Class in Java 8 | Function & Examples of Optional Class in Java 8
Java Optional Class Methods with Examples
Optional in Java: Everything You Need To Know – Tom Gregory
JavaCro 2016 - From Java to Groovy: Adventure Time!
Fixing Java 8 Optional: ifPresent with else | by Amit Toor | Medium
Introduction to the Java Optional Class
Optional in Java 8 - Top Java Tutorial
Java67: Java 8 Optional isPresent(), OrElse() and get() Examples
Java 9 Optional orElse orElseGet ofNullable orElseThrow filter map - YouTube
クラス java.util.Optionalのおさらいメモ - Qiita
Java 8 Optional Class
OptionalDouble orElseThrow(Supplier) method in Java with examples - GeeksforGeeks
Stephan on Twitter: "Fixing the Optional.isPresent() anti-pattern... #Java https://t.co/qxlVNyrdAY" / Twitter
Understanding Java 8 Optional - Velocity Bytes
Java 8 optional: ifPresent return object orElseThrow exception - YouTube
Optional in Java 8 to avoid NullPointer - Read to Rakesh Prajapati
java.util.Optional.orElseThrow java code examples | Tabnine
