What is the purpose of the retry keyword in Ruby?
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
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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