Answer / Rakesh Chandra

"To create a new Time instance in Ruby, you can use the Time.new method or Time.at method.nnTime.new creates a new instance of Time with the current date and time, while Time.at takes a Unix timestamp as an argument."

How do the following methods differ: @my_string.strip and @my_string.strip! ?

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Please explain the three levels of access control for ruby methods?

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Explain retry statement in ruby.

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Ruby support single inheritance/multiple inheritance or both?

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Describe the environment variables present in Ruby?

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Which ruby interpreter option enables debugging?

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Tell me how would you freeze an object in ruby? Can you provide a simple example?

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Explain about the command line options?

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What is the difference between a statement and an expression in ruby?

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Explain me what the difference is between false and nil in ruby?

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what is class libraries in Ruby?

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Explain raise statement in Ruby?

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