September 2024
Intermediate to advanced
876 pages
29h 45m
Spanish
Content preview from Programación C# 12
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Capítulo 3. Tipos
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C# no nos limita a los tipos de datos incorporados que se muestran en el Capítulo 2. Puedes definir tus propios tipos. De hecho, no tienes elección: si quieres escribir código, C# exige que ese código esté dentro de un tipo. En el caso especial del punto de entrada de nuestro programa, puede que no tengamos que declarar el tipo explícitamente, pero sigue estando ahí. Todo lo que escribamos, y cualquier funcionalidad que consumamos de las bibliotecas de tiempo de ejecución .NET (o de cualquier otra biblioteca .NET), pertenecerá a un tipo.
C# reconoce varias clases de tipos. Empezaré por los más importantes.
Clases
La mayoría de los tipos con los que trabajes en C# serán clases. Una clase puede contener tanto código como datos, y puede elegir hacer públicas algunas de sus características mientras mantiene otras accesibles sólo para el código dentro de la clase. Por tanto, las clases ofrecen un mecanismo de encapsulación:pueden definir una interfaz de programación pública clara para que la utilicen otras personas, manteniendo inaccesibles los detalles de implementación internos.
Si estás familiarizado con los lenguajes orientados a objetos, todo esto te parecerá muy corriente. Si no lo estás, quizá quieras leer primero un libro de nivel más introductorio, porque este libro no pretende enseñar a programar. Me limitaré a describir los detalles específicos ...
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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.