Next Steps

What you can do now

• Install Ruby and run scripts with ruby and IRB
• Use numbers, strings, arrays, hashes, and symbols
• Write methods, blocks, classes, and modules
• Rescue errors, manage gems, and render simple ERB

Practice ideas

Build a CLI flashcard app that stores cards in a JSON file (hash arrays), quizzes you with gets, and tracks scores.

Common traps

• Confusing symbols and strings as hash keys
• Rescuing every exception and hiding bugs
• Putting too much logic in ERB templates
• Skipping Bundler and fighting version mismatches

Where to go next

• RSpec or Minitest for testing
• Sinatra or Rails for web apps
• Enumerable deep dive (reduce, group_by)
• Fibers and concurrency basics
• Packaging your own gem