Safety first
Before we go any further, let's talk about safety. Safety is certainly not a normal topic when discussing a programming language, but like we said, Apex is unlike any other language. Apex is intrinsically tied to the Salesforce1 Platform, a platform which businesses use to run their operations and track critical pieces of data. Apex is extremely powerful, and we all know what comes with great power. With this in mind, we want to make sure that while this book might teach you enough to be dangerous, you will pose no danger to anyone.
Writing code directly to an in-use Production environment is not a good idea. At best, you might inconvenience and annoy some users. At worst, you might make an error that brings your company to a standstill. ...
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