Ruby - Class Methods and Variables
Which of the following is the correct syntax to define a class method named
display inside a Ruby class Car?Which of the following is the correct syntax to define a class method named display inside a Ruby class Car?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall class method definition syntax
Class methods inside a class are defined by prefixing the method name withself..Step 2: Check each option
def self.display; end usesdef self.display; end, which is the correct syntax for a class method.Final Answer:
def self.display; end -> Option DQuick Check:
Class method syntax = def self.method_name [OK]
Quick Trick: Use def self.method_name to define class methods [OK]
Common Mistakes:
- Omitting self. prefix for class methods
- Using instance method syntax for class methods
- Trying to define class methods with instance variable syntax
Master "Class Methods and Variables" in Ruby
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