Ruby - Methods
Which of the following Ruby method definitions correctly assigns a default value to a parameter?
Which of the following Ruby method definitions correctly assigns a default value to a parameter?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Check Ruby default parameter syntax
Default values are assigned using the equals sign in the parameter list, e.g.,name = "User".Step 2: Analyze options
def greet(name = "User") "Hi, #{name}!" end uses correct syntax. def greet(name: "User") "Hi, #{name}!" end uses keyword argument syntax incorrectly. def greet(name) name = "User" "Hi, #{name}!" end assigns default inside method body, not parameter list. def greet(name = ) "Hi, #{name}!" end has invalid syntax.Final Answer:
def greet(name = "User") -> Option DQuick Check:
Default parameter uses equals sign in method signature [OK]
Quick Trick: Default values use = in parameter list [OK]
Common Mistakes:
- Confusing keyword arguments with default parameters
- Assigning default inside method body instead of parameter list
- Leaving default value empty after =
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