April 2015
Intermediate to advanced
430 pages
8h 47m
German
Content preview from C++: Eine kompakte EinführungBecome 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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19 Mehrfachvererbung
In diesem letzten Kapitel zum Thema Vererbung wollen wir uns mit der Mehrfachvererbung beschäftigen. Soll eine Klasse von mehreren Klassen abgeleitet werden, so werden die Basisklassen mit Komma getrennt. Jede Basisklasse kann ein eigenes Zugriffsrecht bekommen.
class BasisA {public: int m_awert;};class BasisB {public: int m_bwert;};class Subklasse : public BasisA, public BasisB {public: Subklasse() : BasisA{}, BasisB{} { m_awert = 10; m_bwert = 20; }};
Zur Demonstration habe ich im Konstruktor der Subklasse die Konstruktoren der Basisklassen in der Elementinitialisierungsliste explizit aufgerufen (was bei den Standardkonstruktoren nicht notwendig gewesen wäre).
Weil Subklasse alle Elemente ihrer Basisklassen erbt, kann im ...
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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.