This tutorial demonstrates the power of lambda expressions by contrasting implementations of a mathematical example using C++, Java without lambdas, and Java 8 with lambda expressions.

The next tutorial in the Java 101 series will introduce method references, which you can combine with lambda expressions to write even more concise, readable Java code.

When the runtime settings are configured, you can use the AWS Console’s Lambda test tab to invoke the function. Add the text “Hello World” as event data for the function call, and click Test. Java ...

java.util.function.UnaryOperator @FunctionalInterface public interface UnaryOperator<T> extends Function<T,T> T apply(T t) Applies this function to the given argument. Parameter Types: T - the input ...

Launched at last year’s re:Invent conference, AWS Lambda is a unique service from Amazon. It enables developers to write short code snippets that run in response to various events generated by ...