Ruby - Class Methods and Variables
Which of the following is the correct syntax to define a class method named
greet inside a Ruby class?Which of the following is the correct syntax to define a class method named greet inside a Ruby class?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall class method syntax
Class methods in Ruby are defined by prefixing the method name withself.inside the class.Step 2: Check each option
def self.greet; puts 'Hello'; end usesdef self.greet, which is the correct syntax for a class method.Final Answer:
def self.greet; puts 'Hello'; end -> Option CQuick Check:
Class method syntax = def self.method_name [OK]
Quick Trick: Class methods always start with def self.method_name [OK]
Common Mistakes:
- Omitting self. for class methods
- Using instance variable syntax (@) for methods
- Trying to use :: inside method definition
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