2023 | Latest | Java8 | Java17 | Flatmapping | Collectors | Streams | SummingInt

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Java is a popular programming language that is widely used for developing various types of applications. Java has undergone several updates over the years, with the latest version being Java 17, released in September 2021.

Flatmapping is a technique in Java streams that can be used to transform nested collections or maps into a flat stream of values. This can be useful when working with complex data structures or when you need to manipulate the data in a certain way.

Collectors are used in Java streams to collect the results of the stream processing into a collection or object. They are used in combination with the "collect" method, and there are several built-in collectors available in Java.

Streams are a powerful feature in Java that allow you to process collections of data in a functional, declarative way. Streams can be used to perform operations such as filtering, mapping, sorting, and more on a collection of objects.

SummingInt is a built-in collector in Java that can be used to calculate the sum of a particular integer property in a collection of objects. It can be useful when you need to calculate the total value of a certain property across a set of objects.

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