Advanced Topics in Ruby MCQ question and answer with solution | Ruby Programming MCQs

A. They define getter, setter, and both getter and setter methods for instance variables respectively

B. They define methods for reading, writing, and both reading and writing instance variables respectively

C. They define methods for reading instance variables, writing class variables, and both respectively

D. They define methods for reading, writing, and both reading and writing class variables respectively

A. It is called when a method is defined on a class object that already exists

B. It is called when a method is called on a class object that does not exist

C. It is called when a method is defined on an object that already exists

D. It is called when a method is called on an object that does not respond to the method

A. Creating a copy of an existing method or variable

B. Renaming an existing method or variable

C. Deleting an existing method or variable

D. Creating an alternate name for an existing method or variable

A. It automatically loads a specified file when a constant is accessed for the first time

B. It loads all files in a directory when the program starts

C. It reloads a file every time it is accessed

D. It loads a file asynchronously to improve performance