[Solved] You want to define a Ruby method that returns a greeting with a name variable. Which style is best according to the Ruby style guide essentials?def greetUser(name) return 'Hello, ' + name + '!' end | Ruby

Ruby - Ecosystem and Best Practices

You want to define a Ruby method that returns a greeting with a name variable. Which style is best according to the Ruby style guide essentials?

def greetUser(name)
  return 'Hello, ' + name + '!'
end

Adef greetUser(name) "Hello, #{name}!" end

Bdef greet_user(name) "Hello, #{name}!" end

Cdef greet_user(name) 'Hello, ' + name + '!' end

Ddef greetUser(name) 'Hello, ' + name + '!' end

Step-by-Step Solution

Solution:

Step 1: Apply method naming conventions
Method names should use snake_case, so greet_user is correct.
Step 2: Use string interpolation with double quotes
Double quotes allow cleaner string interpolation instead of concatenation.
Final Answer:
def greet_user(name) "Hello, #{name}!" end -> Option B
Quick Check:
snake_case + interpolation = def greet_user(name) "Hello, #{name}!" end [OK]

Quick Trick: Use snake_case for methods and double quotes for interpolation [OK]

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You want to define a Ruby method that returns a greeting with a name variable. Which style is best according to the Ruby style guide essentials?