Câu hỏi phỏng vấn Ruby
Câu hỏi

What is the return value for ...

Câu trả lời

To provide an accurate answer to the interview question regarding the return value in Ruby, it's essential to know the specific method or function you are asking about. Ruby, like many programming languages, has numerous methods and functions, each with its own return value based on the operation it performs.

For example, if you are asking about a common method like .length used on a string, the ...

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Can you call a private method outside a Ruby class using its object?

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There are three ways to invoke a method in ruby. Can you give me at least two?

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Are class variables inherited?

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