Ruby - Classes and Objects
What will be the output of this Ruby code?
class Dog
def bark
"Woof!"
end
end
fido = Dog.new
puts fido.barkWhat will be the output of this Ruby code?
medium📝 Predict Output Q13 of 15
Step-by-Step Solution
Solution:
Step 1: Understand class and method
The classDoghas a methodbarkthat returns the string "Woof!".Step 2: Create object and call method
We create an objectfidofromDogusingnew. Callingfido.barkreturns "Woof!" which is printed.Final Answer:
Woof! -> Option BQuick Check:
Calling method returns its string output [OK]
Quick Trick: Use .new to create object, call method to get output [OK]
Common Mistakes:
- Forgetting to use .new to create object
- Expecting method name instead of return value
- Confusing class name with method output
Master "Classes and Objects" in Ruby
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