Bird
0
0

What does the case/when statement do in Ruby?

easy📝 Conceptual Q11 of 15
Ruby - Control Flow

What does the case/when statement do in Ruby?

AIt chooses which code to run based on matching a value.
BIt repeats code multiple times.
CIt defines a new method.
DIt creates a new variable.
Step-by-Step Solution
Solution:

  1. Step 1: Understand the purpose of case/when

    The case/when statement compares a value to different options to decide which code to run.

  2. Step 2: Compare with other options

    Repeating code is done by loops, defining methods uses def, and variables are created by assignment, so these are incorrect.

  3. Final Answer:

    It chooses which code to run based on matching a value. -> Option A

  4. Quick Check:

    case/when selects code by value match [OK]
Quick Trick: Remember: case/when picks code by matching values [OK]
Common Mistakes:
  • Confusing case/when with loops
  • Thinking case/when defines methods
  • Believing case/when creates variables

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More Ruby Quizzes
Arrays - Array slicing and ranges - Quiz 5medium Arrays - Array comparison and set operations - Quiz 8hard Control Flow - Ternary operator usage - Quiz 5medium Loops and Iteration - Break, next, and redo behavior - Quiz 1easy Loops and Iteration - Each as the primary iterator - Quiz 13medium Methods - Method declaration with def - Quiz 9hard Methods - Predicate methods (ending with ?) - Quiz 3easy Operators and Expressions - Conditional assignment (||=) - Quiz 5medium String Operations - Why strings are mutable in Ruby - Quiz 1easy Variables and Data Types - Nil as the absence of value - Quiz 10hard