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Reading: Practical object-oriented design in ruby (ch. 5)

This work is due by 8:00pm on Sunday, 22 April 2018.

Read Chapter 5 of Practical Object-Oriented Design in Ruby.

For the journal send an email message to me titled “CSC 322.01 2018S Journal on Practical object-oriented design in ruby (ch. 5) (Your Name)” (without the quotation marks) and with answers to the following questions.

  1. What is duck typing?

  2. How does duck typing support subtype polymorphism?

  3. What, if any, new things did you find in Metz’s presentation about typing?

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Copyright © Samuel A. Rebelsky. Selected materials are design elements are due to other members of the Grinnell CS department and are used with permission.

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