What is the purpose of the method_missing method in Ruby's BasicObject class?
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
Answer: Option D
This Question Belongs to Ruby Programming >> Advanced Topics In Ruby
What is metaprogramming in Ruby?
A. Writing code that modifies its own structure
B. Writing code that writes code
C. Writing code that generates other code
D. Writing code that optimizes performance
Which Ruby module provides reflection capabilities for classes, modules, and objects?
A. Kernel
B. MetaModule
C. ObjectSpace
D. Reflection
What is the purpose of the method_missing method in Ruby?
A. Intercepting method calls before they are executed
B. Defining custom method behaviors based on method names
C. Handling undefined method calls
D. Providing default implementations for missing methods
What is a singleton class in Ruby?
A. A class that can have only one method
B. A class that is used to define methods for a single object
C. A class that can have only one subclass
D. None of the above
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