Method references: A primer. My previous Java 101 tutorial introduced lambda expressions, which are used to define anonymous methods that can then be treated as instances of a functional interface.

All Java methods have an argument list and a body, so it should come as no surprise that these two elements are an important part of Java lambda syntax. Furthermore, the Java lambda syntax separates ...

End your tour of Java’s essential language features with Jeff’s introduction to Java 8’s method references, interface default and static methods, and three lesser known language updates that ...

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 ...

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 ...