Essentiel Java 8, lambdas and streams


Training overview

Day intended for experienced Java developers wishing to understand the essential new features of Java 8 consisting of lambdas and streams. Practical work is carried out.


– Understand the concepts of functional programming and lambda
– Discover the power of streams
– Use lambda and streams to make Java codes more maintainable

Target audience

Anyone who wants to understand the power of Java 8.


    Java 8.
    Introducing what’s new in Java 8.
    – The new philosophy of language: focus on what you want to achieve, and not on how to do it.
    – The detailed content of this version of Java.

    Functional programming.
    Presentation of the concepts associated with functional programming.
    – Characteristics and benefits of the functional approach.
    – The reification of a function, or how to marry Objects and Functions.
    – Referential transparency and optimization by memorization.

    Lambda-expressions in Java 8.
    The transcription of the concept of functional programming in the Java world.
    – Links between lambda, interface and anonymous class.
    – Typing of a lambda-expression, Function, BiFunction, Predicate, Supplier, Consumer…
    – The interest of references to methods and constructors
    – Modified APIs to exploit lambda-expressions.
    Practical work: creation of lambda-expressions.

    Map-reduce and streams.
    Presentation of the concepts popularized by Google in 2004.
    – The interest of the model.
    – The map and reduce operations, the four stages of the process.
    – Examples of implementations.

    Java 8 streams.
    The Java 8 “stream” API and its use cases.
    – The basics of streaming.
    – The joint use of streams and lambda-expressions.
    – Parallelization of processing with parallelStream().
    – The proper use of the Java thread pool.
    -Points of attention and good practices.
    Lab: use of parallelStream().

What's More

Digital Finance

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Means of contact

  1. Telephone

    +216 96 803 221

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    Upgradetek Engineering is a strategy and management consulting firm, specialized in the transformation of financial institutions. As one of the leaders of this sector in Tunisia, we have been supporting our banking and financial clients for more than 14 years in the evolution of their business model, in defining and implementing new target business models and improving their performance.

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