February 2018
Intermediate to advanced
308 pages
6h 10m
German
Content preview from Java für Kids -- Einfacher Einstieg in die Programmierung, 7. Auflage
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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.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 13: Polymorphie
Dass wir Methoden benutzen, die eine Klasse von einer anderen geerbt hat, ist nichts Neues. So haben wir in den letzten Projekten oft ungeniert von »Elternmethoden« Gebrauch gemacht. Dabei genügte es zu wissen, was die jeweilige Methode zu tun imstande war.
Hier kümmern wir uns noch einmal intensiver um das Thema Erbschaft. Außerdem beschäftigen wir uns mit Monstern, die verschiedene Gestalten annehmen können.
In diesem Kapitel lernst du
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wozu Monster auch gut sein können
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was man unter Polymorphie versteht
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den Unterschied zwischen Überschreiben und Überladen kennen
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etwas über abstrakte Klassen und Methoden
Von alten und neuen Methoden
Geerbte Methoden lassen sich in der Regel so verwenden, wie sie sind. ...
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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.