Learning Salesforce Development with Apex: Write, Run and Deploy Apex Code with Ease

Cover Page
Title Page
Copyright Page
Dedication Page
About the Author
Acknowledgements
Preface
Errata
Table of Contents
1. An Introduction to the Salesforce Platform
    Structure
    Objectives
    The birth of the cloud
    Multi-tenancy
    The Salesforce database
    Objects and fields
    Permissions and sharing
    From clicks to code
        Workflow Rules
        Process Builder
        Flow
    Choose the right tool at the right time
    Conclusion
    Questions
2. What is Apex?
    Structure
    Objectives
    A definition of Apex
        Strong and weak typing
        Object-oriented programming
    Apex and other languages
    Executing Apex
        Anonymous blocks
        Triggers
        Controllers - Visualforce, Lightning, and JavaScript Remoting
        Asynchronous Apex
        Web Services
        Email Services
    Saving and compiling Apex
    Governor Limits
    The Developer Console and debug logs
    Conclusion
3. Variables in Apex
    Structure
    Objectives
    Primitives
        Blob
        Boolean
        Date
        Datetime
        Decimal
        Double
        Id
        Integer
        Long
        Object
        String
        Time
    Nulls
    Constants
    sObject, sObjects, and sObject instances
    DML
        Insert
        Update
        Upsert
        Delete
        Undelete
        Merge
    Enums
    Conclusion
    Questions
4. Collections
    Structure
    Objectives
    The importance of collections
    Lists
    Sets
    Maps
    Conclusion
    Questions
5. Control Statements and Operators
    Structure
    Objectives
    Operators
        Comparison operators
            Equality ==
            Inequality !=
            Greater Than >
            Greater Than or Equal To >=
            Less Than <
            Less Than or Equal To
        Logical operators
            AND operator &&
            OR operator
            Not operator ! (logical complement)
        Assignment operators
            Addition assignment +=
            Subtraction assignment -=
            Multiplicative assignment *=
            Divisive assignment /=
        Action operators
            Addition operator +
            Subtraction operator -
            Multiplication operator *
            Division operator /
            Increment operator
            Decrement operator --
            Unary Negation operator -
    The if and if-else statements
        Ternary-if
    Switch statements
    The do-while loops
    The while loop
    For loops
    Conclusion
    Questions
6. Apex Triggers
    Structure
    Objectives
    What is an Apex trigger?
        Triggers vs. Workflow/Process Builder
    Types of Apex Trigger
    The save order of execution
    When to use each trigger type
        Before insert
        After insert
        Before update
        After update
        Before delete
        After delete
        After undelete
    Trigger context variables
    Our first trigger
    Bulkification of triggers
        An un-bulkified trigger
        Bulkifying our trigger
        Bulkification for success
    Conclusion
    Questions
7. SOQL
    Structure
    Objectives
    What is SOQL?
    The Force.com Query Optimizer
    SOQL statement structure
    Executing SOQL in Apex
    Using binding variables
    Aggregate functions and grouping
        Aggregate functions
        Grouping
    An updated trigger example
    Querying relationships
        Data from parent records
        Data from child records
    Dynamic queries
    Conclusion
    Questions
8. SOSL
    Structure
    Objectives
    SOSL structure
    Conclusion
    Questions
9. Apex Classes
    Structure
    Objectives
    Defining an Apex class
        Global
        Public
        Private
    Defining variables
    Defining properties
        Why do we need properties?
    Defining methods
        Don’t Repeat Yourself (DRY)
    Class constructors
        this keyword
    Overloading methods
    Static methods, variables, and blocks
        final variables
    Inner classes
        Keeping code DRY
        Selection wrappers
        Deserialization
    A detailed example
    Conclusion
    Questions
10. Apex Class Inheritance
    Structure
    Objectives
    Interfaces
        Defining an interface
    Implementing an interface
    Abstract classes
    Abstract methods
    Virtual methods
    Virtual classes
    Updated trigger handler
    The super keyword
    Conclusion
    Questions
11. Testing Apex
    Structure
    Objectives
    What is unit testing?
    Code coverage
    Defining a Unit Test
    What happens in a test?
    Writing our test
    Exception handling and testing exceptions
        Standard exceptions
        Custom exceptions
    Creating test data
    Using @TestSetup
    Test.startTest and Test.stopTest
    Conclusion
    Questions
12. Callouts in Apex
    Structure
    Overview
    REST vs. SOAP
    A brief overview of REST
    Calling our webservice
    Defining our inner class
    Posting data to the site
    Testing web services
        StaticResourceCalloutMock
        Custom HttpCalloutMock implementation
    Security and authentication
    Conclusion
    Questions
13. Conclusion