Define classes

• What is the data that you want to deal with?
• What will one instance of your class represent?
• What information should each instance have as instance variables?
• What instance methods should each instance have?
• What should the printed version of an instance look like?

Gold Rules

• The big trick is to understand everything you want to do first in your own words, so then you are translating them to the computer.
• Start Small, keep it working