KataContacts written in Kotlin. The main goal is to practice Clean Architecture Development
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  • We are here to practice Clean Architecture Development.
  • Clean Architecture is a way of structuring code.
  • We are going to practice pair programming.

Product requirements - Contacts App

  • I want to be able to list my contacts.
  • I want to be able to add a contact.

Development platform

  • UI will be the command line.
  • All data is local.
  • The data origin will change in the future to consume a remote API.
  • There is no persistence between execution.



Copyright 2017 Karumi

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at


Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.