September 2024
Intermediate to advanced
414 pages
10h 44m
Spanish
Content preview from Un enfoque funcional de Java
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Capítulo 4. Inmutabilidad
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Tratar con estructuras de datos -constructos dedicados a almacenar y organizar valores de datos- es una tarea central de casi cualquier programa. En la programación orientada a objetos, esto suele significar tratar con un estado mutable del programa, a menudo encapsulado en objetos. Para un enfoque funcional, sin embargo, la inmutabilidad es la forma preferida de tratar los datos y es un requisito previo para muchos de sus conceptos.
En lenguajes de programación funcional como Haskell, o incluso en lenguajes multiparadigma pero con una mayor inclinación funcional como Scala, la inmutabilidad se trata como una característica prevalente. En esos lenguajes, la inmutabilidad es una necesidad y a menudo se impone estrictamente, no sólo una ocurrencia tardía en su diseño. Como la mayoría de los demás principios introducidos en este libro, la inmutabilidad no se limita a la programación funcional y proporciona muchas ventajas, independientemente del paradigma que elijas.
En este capítulo, aprenderás acerca de los tipos inmutables ya disponibles en el JDK y cómo hacer que tus estructuras de datos sean inmutables para evitar efectos secundarios, ya sea con las herramientas que proporciona el JDK o con la ayuda de bibliotecas de terceros.
Nota
El término "estructura de datos" utilizado en este capítulo representa cualquier construcción que almacene ...
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