Results for tag "streams"

Java Tip of the Week #4 – Lambdas

posted by Roberto Cortez on

Java Tip of the Week #4 - LambdasThis week Java Tip of the Week is the sequel to last week Streams API episode.

Lambdas is definitely one of the most awaited features in Java. Quoting Mark Reinhold – Chief Architect of Java Platform Group, Oracle:


“Lambda is the single largest upgrade to the programming model. Ever. It’s larger even than Generics. It’s the first time since the beginning of Java that we’ve done a carefully coordinated co-evolution of the virtual machine, the language and the libraries, all together. Yet the result still feels like Java.”

Java Lambdas

Lambdas is what make the new Streams API really powerful. Nothing was stopping Java to come up with a behaviour based API to perform operations on a sequence of elements. But who wants to code like this:

When you can code like this:

Check it out in my video:

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Java Tip of the Week #3 – Streams

posted by Roberto Cortez on

This week Java Tip of the Week is about Streams.

Java Streams

Streams was a much needed feature in Java. They revolutionize the way we perform operations in Collections. For examples, now you don’t need to perform multiple for each statements to filter, sort or print elements.

The Streams API ships with all kinds of operations, including the previously described ones, but also map, group, reduce and many others.

Since I’ve started using them, I find it very hard to write code in Java 7 again, without this excelente API. Check out this small video about it:

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Leave a comment if you enjoyed it, if not leave one as well!

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