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Java Quick Syntax Reference
book

Java Quick Syntax Reference

by Mikael Olsson
January 2018
Intermediate to advanced content levelIntermediate to advanced
115 pages
1h 37m
English
Apress
Content preview from Java Quick Syntax Reference
© Mikael Olsson 2018
Mikael OlssonJava Quick Syntax Referencehttps://doi.org/10.1007/978-1-4842-3441-9_23

23. Lambda Expressions

Mikael Olsson1 
(1)
Hammarland, Länsi-Suomi, Finland
 

Java 8 introduced the lambda expression , which provides a concise way to represent a method using an expression. A lambda expression consists of three parts: an argument list, the arrow operator (->), and a body. The following lambda takes two integer arguments and returns their sum:

(int x, int y) -> { return x + y; };

The parameter types generally don’t need to be specified because the compiler can determine these types automatically. This type inference also applies to the return type. If the body contains only a single statement, you can leave out the curly brackets, ...

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Publisher Resources

ISBN: 9781484234419Purchase LinkPublisher Website