ysmorid / console-morse-code-queens-attack

Pairing exercises for TW booth at Grace Hopper Conference

Grace Hopper Conference 2018 Console App Coding Exercises

Exercises

General Notes

• Problems are given in Java, Ruby, .NET Core, and/or JavaScript
• Test cases are given to guide you along the way
• Classes are empty

How to Work with the Exercises

• Run the first test (remove the ignore annotation or x)
  • Watch it fail
• Write just enough code to make it pass
• Run the test again
  • Watch it go green
• Refactor if needed
• Run the test again
  • It should still be green
• Repeat until all the tests are passing
• Add more tests as needed

Morse Code Translator

• Implement a method to translate from English to Morse Code
• Optional: Implement a method to translate from Morse Code to English
• Morse Code Information: https://en.wikipedia.org/wiki/Morse_code
• Translation of characters are at the top of the file
• Separate letters with spaces; separate words with three spaces
• Handle unrecognized characters
• Provided in Java, Ruby, .NET Core, and Clojure

Queen Attack

• Implement a program that takes two queen positions on a chess board and determines if they can attach each other
• Source: http://exercism.io/exercises/java/queen-attack
• Queens can attack if they are in the same row (rank), column (file), or diagonal path
• Validate input positions
• Provided in Java, Ruby, .NET Core, and Clojure

Languages

Java

Requirements:

• Java 8
• JUnit 4

Ruby

Requirements:

• Ruby 2.4
• Rspec 3.5

Commands:

• rspec

JavaScript

Requirements:

• Node 6
• Npm 5

Commands:

• npm install
• gulp jest

Clojure

Requirements:

• Java 8
• leiningen

Commands: lein test

.NET Core

Requirements:

• .NET Core 2.1+

Commands:

• dotnet restore
• dotnet build
• dotnet test

Installation Notes

On a Macbook, you can install most of the required packaged via homebrew, with some exceptions.

An approach to installing the prerequisites on a Macbook can be found below:

• Install Node Version Manager (nvm): brew install nvm
• Use nvm to install Node lts: nvm install —lts
• Install Java brew cask install java
• Install Gradle brew install gradle
• Install Clojure brew install clojure
• Install Leiningen (for Clojure) brew install leiningen
• Install ruby version manager and ruby curl -L https://get.rvm.io | bash -s stable --auto-dotfiles --autolibs=enable --ruby
• Install .NET Core 2.1 SDK: https://www.microsoft.com/net/learn/get-started-with-dotnet-tutorial