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

A. instance_eval evaluates code within the context of a method, while class_eval evaluates code within the context of a block

B. instance_eval evaluates code within the context of a block, while class_eval evaluates code within the context of a method

C. instance_eval evaluates code within the context of an object, while class_eval evaluates code within the context of a class

D. instance_eval evaluates code within the context of a class, while class_eval evaluates code within the context of an object

A. Adds a method to the end of a class definition

B. Adds a module to the inheritance chain after the class itself

C. Adds a method to the beginning of a class definition

D. Adds a module to the inheritance chain before the class itself

A. Prevents further modifications to the object's state

B. Locks the object's methods so they cannot be overridden

C. Forces the object to release all resources allocated to it

D. Prevents the object from being garbage collected

A. It is a special class used for metaprogramming purposes

B. It is a module that defines common utility methods for all Ruby objects

C. It provides a set of basic methods that all Ruby objects inherit

D. It serves as the root of the Ruby class hierarchy

A. to_str

B. stringify

C. to_s

D. convert_to_string

A. It evaluates a block of code within the context of the object

B. It allows you to perform operations on an object and return the object itself

C. It raises an exception if the object is nil

D. It evaluates a block of code within the context of the object

A. Repeatedly evaluating a computation until the desired result is obtained

B. Storing the result of a computation for future use

C. Delaying the execution of a computation until the result is needed

D. Evaluating a computation as soon as it is defined

A. It filters elements of a collection based on a given condition

B. It transforms each element of a collection using a given block

C. It sorts elements of a collection based on a given criteria

D. It combines all elements of a collection into a single value using a binary operation

A. It checks if a collection includes a specific element

B. It includes a module into the current class

C. It iterates over each element of a collection

D. It creates a new collection by filtering elements based on a given condition

A. flatten

B. values

C. keys

D. to_a