backselfStudynext What we want to do:Unary, binary and key word messages. What you should know before doing this exercise
What is a message? An Object and a method. What is a string literal
A good place to learn this is The exercise
Enter "3 - 2" highlight it and print-it using the context menu.
Enter "3 - 2" highlight it and print-it using the appropriate keys.
Enter "RectangleMorph new" highlight it and inspect-it using the context menu. Collapse the Inspector window.
Enter "RectangleMorph new" highlight it and inspect-it using the appropriate keys. Collapse the Inspector window.
Verify you got it
Step by step descriptions of how to confirm you did the exercise correct.
This may simply point you to an "answer page".
Ideally it would have you load and run a s-unit test
Feedback - Please update this page with corrections and comments. This is a Wiki, so feel free to make corrections and extensions to the instructions above. Also feel make suggestions comments below. The more specific your comments the better.