AWS Lambda in Java example. The following Java code is more than sufficient to act as a fully compliant AWS Lambda function: /* Example Java-based AWS Lambda function */ public class ...

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 ...

The above approaches and variations on the above approaches can be used in Java to determine if a String is not null, not empty, and not white space only. They are easy to employ and the Apache ...