Learning to write functional programming with Java 8 with examples

Scenario 1: The Operation interface with the annotation @FunctionalInterface. This annotation ensures that you can only have a single abstract method. You can have additional default and static method implementations. Step 1: Define the interface. It is an abstract method by…

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In 1999, I pivoted from mechanical engineering to become a self-taught Java expert. Over the past 19+ years, I have built a high-demand contracting career, delivering mission-critical solutions for 13+ top-tier organisations. With a proven track record that has generated over 130+ job offers, I help enterprises solve complex data challenges at scale.

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