Ruby - Class Methods and Variables
Which of the following is the correct way to define a class method in Ruby?
Which of the following is the correct way to define a class method in Ruby?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall class method syntax
In Ruby, class methods are defined withdef self.method_nameinside the class.Step 2: Check options
def self.method_name; end usesdef self.method_name, which is correct. def method_name; end defines an instance method. def @method_name; end uses invalid syntax. def class.method_name; end is incorrect syntax.Final Answer:
def self.method_name; end -> Option DQuick Check:
Class method syntax = def self.method_name [OK]
Quick Trick: Class methods start with self. inside class [OK]
Common Mistakes:
- Defining class methods without self.
- Using @ for method names
- Trying def class.method_name syntax
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