October 2021
Intermediate to advanced
192 pages
5h 47m
German
Content preview from Prinzipien des SoftwaredesignsBecome 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,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
KAPITEL 7
Verschiedene Schichten, verschiedene Abstraktionen
Softwaresysteme werden aus Schichten zusammengestellt – die oberen Schichten nutzen dabei die Möglichkeiten, die von den unteren Schichten bereitgestellt werden. In einem gut designten System bietet jede Schicht eine andere Abstraktion als die Schicht darüber oder darunter – folgen Sie einer einzelnen Operation auf dem Weg durch die Methoden der verschiedenen Schichten, ändert sich die Abstraktion mit jedem Methodenaufruf, zum Beispiel:
- In einem Dateisystem implementiert die oberste Schicht eine Dateiabstraktion. Eine Datei besteht aus einem Bytearray variabler Länge, das durch das Lesen und Schreiben von Bytebereichen variabler Größe verändert werden kann. Die darunterliegende Schicht ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.