The String your method returns ... to add extra functionality to your Java Lambda function if you link to the AWS SDK library and reference classes such as the RequestHandler and the Lambda Context.

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 ...