numbers-to-words 
Convert numbers in their numeric representation to their British English words representation. Supports numbers from 0 to 999,999,999.
Build
Unit and acceptance tests can be run by:
mvn test
A JAR can be generated and installed as a Maven artifact by running:
mvn clean install
Use
A NumberConversionService can be instantiated to easily convert Integer to String.
final NumberConversionService conversionService = new NumberConversionService();
final String result = conversionService.convert(1); // result == "one"For more advanced use cases:
final StringBuilder description = new StringBuilder();
NumberBuilder.parse(1)
.build()
.describeTo(description); // `description` contains the string "one"