[Solved] What is the output of this Ruby code? class Greeter def hello(name) "Hello, #{name}!" end end g = Greeter.new m = g.method(:hello) puts m.call("Alice") | Ruby

Ruby - Blocks, Procs, and Lambdas

What is the output of this Ruby code?

class Greeter
  def hello(name)
    "Hello, #{name}!"
  end
end

g = Greeter.new
m = g.method(:hello)
puts m.call("Alice")

AError: undefined method

BHello, Alice!

Chello

D#<Method: Greeter#hello>

Step-by-Step Solution

Solution:

Step 1: Understand the code flow
A Greeter object is created, then a Method object for :hello is obtained and called with "Alice".
Step 2: Evaluate the method call output
The method returns the string "Hello, Alice!" which is printed.
Final Answer:
Hello, Alice! -> Option B
Quick Check:
Method call output = Hello, Alice! [OK]

Quick Trick: Method objects call returns method result, not method itself [OK]

Common Mistakes:

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