Java Lambda expressions and Streams API: a performance analysis

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Hi devs !!! We're on the road again, with a very interesting session about Lambdas and Stream API on Java.

Java 8 core features: Lambda expressions and Streams API have been widely adopted and popular since their launch. They promote benefits like: conciseness, readability, code reuse and less error prone. Even though they are embraced by the community, many developers are not
familiar with under the hood aspects of these syntactic sugar, neither performance considerations involved.

• Briefly explain under the hood compile and implementation of lambdas and streams.
• Present performance analysis of lambdas and streams when compared to conventional syntax for same functionality.
• Present lambdas and streams variations and tools that can improve performance.

The talk will be presented by Joana Socrates, she is a Software Engineer at Ocado Technology, working to achieve technology evolution and the pursuit of new challenges. She is a PhD in computer architecture and in computer engineering. Currently based in Barcelona, she has been through pain and glory developing in Java since 2011 and never stopped loving it.