Backend Java Developer Coding Challenge

This is the coding challenge for applying for Backend Java Developer at goUrban.

Goal

The goal of this challenge is to write a small client for the Stripe-Platform.

Use sk_test_4eC39HqLyjWDarjtT1zdp7dc as Stripe API Key.

Publish your results as a public GitHub/GitLab repo or send it to us as a zip-file.

Task

Write a small console client for Stripe for the following scenario:

1. Ask user for email.
2. User enters email.
3. Create customer at stripe with the entered email address.
4. Create a credit card source in stripe with token tok_at and type card and attach it as default source to the created customer.
5. Ask user for the amount of the charge in Euro.
6. Create a charge for the requested amount.
7. Ask the user if he wants to chapture the charge or refund it.
8. Charge or refund the charge.

If an exception/error occurs the charge should be refunded. Implement exception handling when calling Stripe resources as you would do in a production environment. Reads/Writes from/to console can be considered to work as they should but user input should be validated.

Resources

• Stripe Testing
• Stripe Java SDK
• Stripe Documentation

Prerequisites

• Use Java 8 as the programming language.
• Use the packaging/build tool of your choice.
• Write the task either as a junit test or as a console programm (ie. public static void main)
• Use the Spring Boot framework whenever usefull.
• Use sk_test_4eC39HqLyjWDarjtT1zdp7dc as Stripe API Key.

Constraints

• Should be runable on Windows/Linux/OS X platforms whenever the appropriate build tools are installed.