Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...

So to learn Java lambda syntax, you need to be familiar with its three component parts: The argument list The arrow The method body To apply these concepts, we first need a functional interface. A ...

In that case, check out my further introduction to lambdas and functional interfaces in “Get started with lambda expressions in Java.” You’ll also find numerous helpful blog posts on this topic.

A lambda doesn’t have an explicit interface type. Instead, the compiler uses the surrounding context to infer which functional interface to instantiate when a lambda is specified–the lambda is ...

Developers can use Java 8, introduced last year, and any of the usual Java libraries, along with the AWS SDK for Java. AWS provides two libraries for Lambda, aws-lambda-java-core for function handlers ...