Each class provided by the SDK has its own web page that explains what the class is for and what services the class provides. Although not mandatory, following a standard style convention will make your programs look more professional. They will also make your programs easier to read. Unfortunately, readers will have to actually pay for this book. Downloading Programs Programmers may wish to skip the programming phase altogether.
Several sites contain free programs that can be downloaded.
An application developed using an abstract platform can run on any physical platform implementation.