Here is the first paragraph of Chapter 7 of Essential ActionScript 3.0
7. Compiling and Running a Program
After all our hard work on the virtual zoo program, we are now ready to compile and run our code. In this chapter, we’ll learn how to compile a program with the Flash authoring tool, Flex Builder 2, and mxmlc. In each case, we’ll assume that the program being compiled resides in the folder /virtualzoo/, and that the source code for the program (i.e., the .as files) resides in the folder /virtualzoo/src/.
Now let’s do some compiling!