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Este libro está dirigido a los programadores que quieren dominar el desarrollo de aplicaciones .NET mediante el lenguaje C#, aquí en su versión 10. Después de una introducción rápida sobre el funcionamiento de C# 10 y de su framework asociado .NET, el lector establece el entorno de desarrollo multiplataforma, Visual Studio Code, que le permite realizar los ejercicios del libro. Después, el lector estudia la sintaxis básica del lenguaje así como los elementos asociados para escribir programas sencillos con rapidez. También incluye un concepto fundamental y básico: la programación orientada a objetos, un paradigma utilizado en el uso de muchos lenguajes de desarrollo. Para crear programas robustos y eficaces, el lector descubre los principales elementos algorítmicos del lenguaje como los bucles, las colecciones o incluso la gestión de los errores. El lenguaje de consulta LINQ se presenta en profundidad y está ilustrado con ejemplos concretos ilustrados mediante ejercicios. Se tratan otras ideas fundamentales como el asincronismo, el funcionamiento de los flujos de datos, la serialización en binario, XML o incluso JSON para completar el panorama de las posibilidades del lenguaje. Para permitir al lector ampliar su reflexión para sus proyectos futuros, un capítulo propone un resumen general de las aplicaciones que se pueden desarrollar con C#, como aplicaciones web, Windows o móviles, todo ilustrado con ejemplos. En el último capítulo aparece un glosario que los programadores podrán utilizar como memorando.