What does the `each_key` method do when called on a hash in Ruby?
A. Iterates over each key-value pair in the hash
B. Iterates over each key in the hash
C. Iterates over each value in the hash
D. None of the above
Answer: Option B
A. Iterates over each key-value pair in the hash
B. Iterates over each key in the hash
C. Iterates over each value in the hash
D. None of the above
Answer: Option B
Which method in Ruby is used to add an element to the end of an array?
A. push
B. pop
C. append
D. insert
What will array.size return in Ruby, if array = [1, 2, 3, 4, 5]?
A. 5
B. 4
C. [1, 2, 3, 4, 5]
D. "array"
Which method is used to access the value associated with a specific key in a hash in Ruby?
A. access
B. get
C. fetch
D. value
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