March 2025
Intermediate to advanced
684 pages
17h 39m
German
Content preview from Java Cookbook, 5. Auflage
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Anhang A. Java damals und heute
Einleitung: Immer in Bewegung ist die Java
Java war schon immer ein bewegliches Ziel für Entwickler und Autoren. Das weiß ich, weil ich zuerst ein Java-Schulungsprogramm und später dieses Buch aktualisiert habe, und zwar fast während der gesamten Lebensdauer von Java. Einige Entwickler, die ich in meinen kommerziellen Schulungsprogrammen treffe, wissen immer noch nicht, welche Funktionen in den alten Java-Versionen hinzugefügt wurden, geschweige denn in den aktuellen. In diesem Anhang findest du einen Überblick über jede aktuelle Version von Java. Details zu den Versionen vor Java 16 gelten als alte Geschichte und wurden auf meine Website https://darwinsys.com/java/ancientHistory.html verschoben . Einen Überblick über die Anfänge von Java findest du in Jon Byous' Artikel "Java Technology: Die frühen Jahre".
In diesem Abschnitt gibt es viele Verweise auf "JEP" (Java Enhancement Proposal). Um mehr Informationen darüber zu erhalten, besuche einfach openjdk.org/jeps/NNN, wobei NNN für die JEP-Nummer steht.
Was war neu in Java 16 16
Die wichtigsten Elemente in Java sind der Typ record und das Werkzeug jpackage, aber es gibt noch viele weitere.
Eine weitere große Veränderung, nicht in der Sprache, sondern in der Art und Weise, wie der JDK-Quellcode gepflegt wird, ist der Wechsel von einem halben Dutzend separater Repositories in Mercurial, einem kleineren Konkurrenten von Git, zu einem einheitlichen Repository auf GitHub. Diese Änderungen wurden in ...
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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.