Amazon Web Services Inc. (AWS) yesterday announced that cloud developers can now use Java for writing Lambda functions, which provide event-driven functionality while taking care of needed compute ...

30); Without lambda expressions, what you see in Listing 7 is about the least amount of code that you could write in Java to call the integrate method, but it is still much more cumbersome than ...

To build your first Java AWS Lambda function, just create a simple class with an instance method that performs the following functions: The AWS Lambda framework passes any text or JSON based payload ...

You have to write a lot of code to ... and more concise way to represent a method interface using an expression. Lambda expressions also improve the Java Collection libraries, making it easier ...

java.util.function.UnaryOperator @FunctionalInterface public interface ... When the class is executed, the result is the text string lambda-tutorial.txt written to the console. If you implement the ...

Bottom line: it enables programmers to write better code. But adding Lambda expressions to Java 8 had a side effect ... new interfaces retrofitted onto existing classes. The new Stream method, which ...

though it has to be enabled for existing Lambda functions, and for now it only works for Java functions that make use of the Corretto runtime. Once enabled, when you first run that function ...