What does the join method do when used with an array in Ruby?
A. Joins all elements into a single string
B. Splits the array into multiple strings
C. Combines two arrays
D. Sorts the elements of the array
Answer: Option A
A. Joins all elements into a single string
B. Splits the array into multiple strings
C. Combines two arrays
D. Sorts the elements of the array
Answer: Option A
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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