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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7Änderungen in der JVM bis Java 17
In diesem Kapitel schauen wir uns einige Änderungen, Erweiterungen und Neuerungen in der JVM an. In Abschnitt 7.1 werden Verbesserungen bei NullPointerExceptions vorgestellt. Das Thema von Abschnitt 7.2 ist das interaktive Tool JShell. Mit diesem lassen sich kleinere Java-Codeschnipsel direkt auf der Kommandozeile ausprobieren. Im Anschluss widmen wir uns dem Ausführen kleinerer Java-Programme ohne explizites vorheriges Kompilieren, und zwar mithilfe von Launch Single-File Source-Code Programs, auch Direct Compilation genannt (Abschnitt 7.3).
Hin und wieder kommt es vor, dass ein Programm den Erwartungen an die Performance nicht gerecht wird. Um der Ursache auf den Grund zu gehen, helfen Profiler bei der Analyse. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.