[Solved] What is the output of this Ruby code? class Person def greet(name) "Hello, #{name}!" end end p = Person.new puts p.send(:greet, "Alice") | Ruby

Ruby - Metaprogramming Fundamentals

What is the output of this Ruby code?

class Person
  def greet(name)
    "Hello, #{name}!"
  end
end

p = Person.new
puts p.send(:greet, "Alice")

AHello, Alice!

Bgreet

CNoMethodError

DHello, name!

Step-by-Step Solution

Solution:

Step 1: Understand the method call with send
The send method calls greet on p with argument "Alice".
Step 2: Evaluate the method output
The greet method returns "Hello, Alice!" which is printed by puts.
Final Answer:
Hello, Alice! -> Option A
Quick Check:
send calls greet with argument "Alice" [OK]

Quick Trick: send passes arguments after method name [OK]

Common Mistakes:

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