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

A. module_function makes the specified methods accessible as module methods, while extend self makes them accessible as instance methods

B. module_function makes the specified methods private, while extend self makes them public

C. module_function creates a new module, while extend self extends the current module

D. module_function makes the specified methods singleton methods, while extend self makes them instance methods

A. It returns a Method object representing the specified method

B. It checks if the object responds to the specified method

C. It sends a message to the Ruby interpreter to execute a piece of code

D. It invokes a method dynamically on an object

A. Delegator

B. Delegate

C. Forwardable

D. Proxy

A. It is called when a constant is accessed that is already defined

B. It is called when a constant is accessed that is not defined

C. It is called when a constant is defined that is not accessed

D. It is called when a constant is accessed that is already defined

A. A comment that is automatically removed during code compilation

B. A comment that automatically generates documentation for the code

C. A special comment that affects the behavior of the Ruby interpreter

D. A comment with a mystical or cryptic meaning

A. It includes a module in the inheritance chain after the class itself

B. It extends a module to add new functionality

C. It creates a copy of the module and appends it to the end of the inheritance chain

D. It includes a module in the inheritance chain before the class itself

A. It allows a method to accept a variable number of arguments as an array

B. It repeats a block of code a specified number of times

C. It creates a shallow copy of an array or hash

D. It performs a bitwise operation on a numerical value

A. It resumes execution at the beginning of the block where an exception was rescued

B. It re-runs the entire program from the beginning

C. It raises an exception if an error occurs during method execution

D. It restarts the current iteration of a loop

A. It calls the method of the same name in the current class

B. It returns the superclass of the current class

C. It calls the method of the same name in the superclass

D. It returns the current class as a superclass

A. A variable that is initialized with the value of a constant

B. A variable that is shared among all instances of a class

C. A variable that is dynamically assigned based on the instance's state

D. A variable that is initialized with the value of a constant