https://samarthya.me/tags/functional/Recent content in Functional on SamarthyaHugo -- gohugo.ioen© Samarthya 2018-2026. All rights reserved.Fri, 04 Dec 2020 14:38:51 +0000https://samarthya.me/posts/consumer/Fri, 04 Dec 2020 14:38:51 +0000https://samarthya.me/posts/consumer/<p>The utility package <code>java.util.function</code> has this functional <a href="https://docs.oracle.com/javase/8/docs/api/java/util/function/package-summary.html" target="_blank" rel="noreferrer">interface Consumer</a>.</p> <p>Each functional interface (Annotated with @<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/FunctionalInterface.html" target="_blank" rel="noreferrer">FunctionalInterface</a>) conceptually has a single method (abstract) called the functional method to which the lambda expression&rsquo;s parameter and return types are matched against. Functional interfaces often represent abstract concepts like functions, actions, or predicates.</p>