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Q. What is the purpose of the ensure keyword in Ruby?
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Q. How do you read the entire contents of a file into a string in Ruby?
Q. What is metaprogramming in Ruby?
Q. Which block only executes when no exception is raised?
Q. Which method is used to convert a string to an array of characters in Ruby?
Q. What does the term "immutability" refer to in Ruby?
Q. Which modifier is used to perform case-insensitive matching in Ruby regular expressions?
Q. In Ruby, what is the purpose of method overloading?
Q. Which method is used to subtract a number of days from a Date object in Ruby?
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