The IRB does not provide access to classes, objects or variables more than 5 minutes old.
Correct Answer:
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Q19: In order to instantiate a new object
Q20: Nil is a value that representing a
Q21: Which of the following commands display a
Q22: What value will the following expression evaluate
Q23: Which of the following statements is not
Q25: Which of the following statements is not
Q26: An IRB session can by terminated by
Q27: In addition to the standard set of
Q28: You can instruct the IRB to load
Q29: A misspelled command is an example of
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