Class 28: Ruby (1)

Held: Monday, April 9, 2007

Summary: Today we consider the basics of the Ruby langauge.

Related Pages:

• EBoard.
• Reading: whytheluckystiff - A Quick (and Hopefully Painless) Ride Through Ruby (with Cartoon Foxes); Marick - Chapter 1 of A Little Ruby, A Lot of Objects; and Marick - Chaper 2 of A Little Ruby, A Lot of Objects.

Notes:

• I'll send all of you a prototype solution to the last problem on the exam. You may not post it on the Web or share it with others.
• Don't forget the CS table at lunch today.
• I've rearranged the schedule a bit. Today we'll discuss what you've learned about Ruby from the readings. Wednesday we'll do a lab. Friday we'll consider Rails.

Overview:

• Rhetoric of Readings.
• Java Basics Reviews.
• New Ruby Features.
• Ruby Syntax.

Rhetoric of The Readings

• Tell me about the rhetorical style of these readings.
• What is it?
• Why did the authors choose this style?
• Does it support or oppose your learning styles?
• How many of you read these with a Ruby interpreter open?

Review: Basics of a Java Class

• What are the components of a Java class. How do we define one?
• Let's build a simple BoxedInteger class.

Comparison - Ruby vs. Java

• How do we do build the same basic components of a calss in Ruby instead of Java?

Ruby - Some New Capabilities

• What capabilities do you see in Ruby that are not in Java?