Functional Data Structures in Java 8 with Javaslang

Java 8’s lambdas (λ) empower us to create wonderful API’s. They incredibly increase the expressiveness of the language. Javaslang leveraged…

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Using Mockito without static imports with Java 8

How to simplify Mockito usage by removing static imports in Java 8 based projects. Rationale Mockito API is based on…

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Java 8 Streams API: Grouping and Partitioning a Stream

This post shows how you can use the Collectors available in the Streams API to group elements of a stream…

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Benchmark: How Java 8 Lambdas and Streams Can Make Your Code 5 Times Slower

How Java 8 lambdas and streams perform compared to longstanding implementations? Lambda expressions and streams received an heartwarming welcome in…

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Java 8 Streams: filter and predicate negation

Recently there was an interesting discussion on the use of predicate negation in the .filter method on a stream by…

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From Arrays to Streams and Back with Java 8

Not long ago we upgraded some Eclipse plug-in projects to Java 8. And never looked back since. Among many other…

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The Danger of Subtype Polymorphism Applied to Tuples

Java 8 has lambdas and streams, but no tuples, which is a shame. This is why we have implemented tuples…

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Wrap around design pattern in java8

Wrap around pattern is not listed in in GOF book but is very useful for problem like below: Loop construct…

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Java 8 Lambda Expression for Design Patterns – Command Design Pattern

In this blog I would illustrate implementing the command pattern in functional programming style using Java 8 Lambda expressions. The…

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