Introduction to AWS Lambda functions for Zip Code

To add additional methods the the http handlers class, implement the method that corresponds to your intended handler , eg, for HTTP GET requests we have a get method that returns a function that handles the request. Note the method signature of the function returned, BiFunction<Map<String, Object>, Context, APIGatewayProxyResponseEvent>: this corresponds to the two arguements passed to the function, (Event and Context) and the response returned, APIGatewayProxyResponseEvent