Step 2 / Select difficulty Ruby
About Ruby
Blocks, objects, and the dynamic behavior underneath.
- Operators and types
- Numbers and math
- Strings
- Iterables
- Data structures
- Functions and scope
- Errors and control flow
- Async and concurrency
- Optimization
- WTF
- Easy: 91 questions
- Medium: 100 questions
- Hard: 100 questions