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Why are operators like + and - considered methods in Ruby?

easy📝 Conceptual Q11 of 15
Ruby - Operators and Expressions
Why are operators like + and - considered methods in Ruby?
ABecause operators cannot be overridden in Ruby.
BBecause Ruby does not support functions.
CBecause operators are only used for numbers in Ruby.
DBecause they are actually method calls on objects, allowing customization.
Step-by-Step Solution
Solution:

  1. Step 1: Understand Ruby's object model

    In Ruby, everything is an object, and operators like + are methods called on these objects.

  2. Step 2: Recognize method call behavior

    This means you can override these operator methods to customize behavior for your own classes.

  3. Final Answer:

    Because they are actually method calls on objects, allowing customization. -> Option D

  4. Quick Check:

    Operators = methods on objects [OK]
Quick Trick: Remember: operators are just special method calls [OK]
Common Mistakes:
  • Thinking operators are separate from methods
  • Believing Ruby only uses operators for numbers
  • Assuming operators cannot be customized

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