July 2022
Intermediate to advanced
336 pages
7h 27m
German
Content preview from Java – die Neuerungen in Version 17 LTS, 18 und 19Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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5Neues und Änderungen in den Java-17-APIs
In diesem Kapitel werden verschiedene API-Neuerungen, die sich kumulativ in den Java-Versionen 11 bis 17 finden, beschrieben. Zunächst gehe ich in Abschnitt 5.1 auf Erweiterungen in der Klasse String ein. Danach stelle ich kleinere Ergänzungen sowohl im Interface Predicate<T> in Abschnitt 5.2 als auch in der Klasse Optional<T> in Abschnitt 5.3 vor. Zudem präsentiere ich in Abschnitt 5.4 kleinere Convenience-Funktionalitäten aus der Utility-Klasse Files. Im Anschluss widmen wir uns in Abschnitt 5.5 verschiedenen Neuerungen im Stream-API, unter anderem dem sogenannten Teeing-Kollektor sowie der Methode mapMulti() als Vereinfachung von flatMap(). Danach wird in Abschnitt 5.6 das HTTP/2-API thematisiert. ...
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