Функциональные интерфейсы и лямбда-выражения в Java

The Stream API, which significantly simplifies working with collections in Java, is based on the concept of functional interfaces. Any interface can be called functional if it contains a single method. Such an interface is annotated with the @FunctionalInterface annotation. In this video, we'll look at the most commonly used functional interfaces in the standard library. All of these interfaces are located in the java.util.function package. Related article: https://devmark.ru/article/java-funct... All project news: https://t.me/+cmyC5zaGHEQ0ZTIy