How would you modify this method to provide a default value for name so it prints "Hello, Guest!" if no argument is given?

hard📝 Application Q9 of 15

Ruby - Methods

How would you modify this method to provide a default value for name so it prints "Hello, Guest!" if no argument is given?

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

Adef greet(name = "Guest") "Hello, #{name}!" end

BAll of the above

Cdef greet(name) if name.nil? name = "Guest" end "Hello, #{name}!" end

Ddef greet(name) name ||= "Guest" "Hello, #{name}!" end

Step-by-Step Solution

Solution:

Step 1: Understand default arguments
Ruby allows default values in method parameters like name = "Guest".
Step 2: Alternative ways to set default
Options B and C set default inside method body using conditional assignment or if statement.
Step 3: Confirm all options work
All three options correctly ensure name is "Guest" if no argument or nil is passed.
Final Answer:
All of the above -> Option B
Quick Check:
Default args or conditional assignment work [OK]

Quick Trick: Use default params or conditional assignment for defaults [OK]

Common Mistakes:

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