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

A. Determines if an object has a certain method defined

B. Overrides the default behavior of method_missing for a specific object

C. Allows objects to handle method calls for undefined methods

D. Raises an error if an object is called with a missing method

A. A block of code that is executed within the context of a specific object

B. An anonymous function that can be passed around like an object

C. A closure that captures its surrounding scope and can be passed around like an object

D. A block of code that is executed within the context of a specific object

A. The name of the script being executed

B. The name of the directory containing the current file

C. The name of the current file being executed

D. The current line number in the source file

A. To override the default behavior of missing methods

B. To define custom behavior for certain methods

C. To prevent method calls on certain objects from raising errors

D. To handle method calls for undefined methods dynamically

A. to_proc

B. &

C. proc

D. lambda

A. To create a new instance of a variable

B. To track the usage of a specific variable throughout the execution of a program

C. To print the current value of a variable to the console

D. To set a callback that is triggered whenever a global variable is accessed or modified

A. Passing multiple arguments to a single method call

B. Calling the same method recursively

C. Invoking multiple methods on the same object in a single line of code

D. Passing the return value of one method as an argument to another method

A. To execute a block of code within the context of a specific object

B. To capture the current execution context and create a binding object

C. To generate a list of variables and their values within the current scope

D. To execute a block of code within the context of a specific object

A. instance_variable_get

B. method_missing

C. define_method

D. attr_accessor

A. Returns the current directory path relative to the file being executed

B. Returns the name of the currently executing file

C. Returns the list of files in the current directory

D. Returns the absolute path of the directory containing the currently executing file