May 2019
Intermediate to advanced
546 pages
12h 41m
English
Content preview from Salesforce Platform Developer I Certification Guide
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Exception class
You just learned how to build a custom Exceptions class to extend the Apex Exception class. But what's the Exception class?
In each exception, you can get the error message, the location of the error, and the path of the error. For instance, you have a method in class A, called by a method in class B, and you caught the exceptions in class B. You don't need to look in class B, but in class A. The exception will tell you where you need to start your troubleshooting. Even the line number, the type of exception (callout error, Nullpointer, QueryException, and DMLException) are present in the Exception class.
The following are the methods of the Exception class that you can use in your error handling:
- getCause(): Returns the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.