July 2008
Intermediate to advanced
280 pages
4h 57m
Polish
Content preview from C# 3.0. Leksykon kieszonkowy. Wydanie IIBecome 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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Typy wyliczeniowe
Typ wyliczeniowy albo wyliczenie — enum — to specjalny typ wartościowy służący do definiowania grupy stałych wartości liczbowych o określonych nazwach. Oto przykład:
public enum BorderSide { Left, Right, Top, Bottom }Powyższy typ wyliczeniowy moglibyśmy zastosować następująco:
BorderSide topSide = BorderSide.Top;
bool isTop = (topSide == BorderSide.Top); // TrueKażda składowa typu wyliczeniowego posiada skojarzoną ze sobą wartość typu całkowitego. Domyślnie:
wartości liczbowe składowych mają typ
int,deklaracjom stałych w typie wyliczeniowym automatycznie przypisywane są kolejne wartości liczbowe
0,1,2itd., w kolejności deklaracji stałych.
Dla składowych typu wyliczeniowego można określić alternatywny typ wartości liczbowych, na ...
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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.