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Salesforce Platform Developer I Certification Guide

You're reading from   Salesforce Platform Developer I Certification Guide Expert tips, techniques, and mock tests for the Platform Developer I (DEV501) certification exam

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781789802078
Length 546 pages
Edition 1st Edition
Languages
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Authors (2):
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Jan Vandevelde Jan Vandevelde
Author Profile Icon Jan Vandevelde
Jan Vandevelde
Gunther Roskams Gunther Roskams
Author Profile Icon Gunther Roskams
Gunther Roskams
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Toc

Table of Contents (15) Chapters Close

Preface 1. Section 1: Fundamentals, Data Modeling, and Management
2. Salesforce Fundamentals FREE CHAPTER 3. Understanding Data Modeling and Management 4. Section 2: Logic, Process Automation, and the User Interface
5. Declarative Automation 6. Apex Basics 7. Apex - Beyond the Basics 8. The Salesforce User Interface 9. Section 3: Testing, Debugging, and Exercise
10. Testing in Salesforce 11. Debugging and Deployment Tools 12. Mock Tests 13. Other Books You May Enjoy Appendix

Apex variables, constants, and expressions

You have different types of variables that you can define in your class. In Chapter 3, Declarative Automation, we used a String (the most-used variable type) to define our movie's title, but there are more of these variable types that exist. If you are familiar with Java, you will recognize some of these types.

Besides the type, you can define whether the variable is visible or editable outside your class. Just like a user can view or edit a field in a record, a class can also view or edit a variable in another class.

We'll start by explaining the different data types available to you.

Apex data types

Each variable in Apex has a data type. This can be a primitive data type...

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