Lesson: 003 | Data Types

Notes

In Salesforce Apex, data types define the type of values that a variable can hold. Common data types include:

Primitive Data Types:
- Integer: Integer
- Decimal: Decimal
- Text: String
- Boolean: Boolean
- Date: Date
- Datetime: Datetime
Collection Data Types:
- List: List<Type>
- Set: Set<Type>
- Map: Map<KeyType, ValueType>
SObject Types:
- Objects representing Salesforce records, e.g., Account, Contact, custom objects.
Enums:
- A way to create a set of named constant values, e.g., enum Status {Open, Closed}.
User-Defined Types:
- Custom classes and interfaces defined by the user.

Understanding and appropriately using these data types is fundamental for effective Salesforce Apex development.

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A. Apex DML Operations (8 lessons)

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C. Apex Triggers (9 lessons)

D. Apex Exceptions (11 lessons)

E. Asynchronous Apex (6 lessons)

F. SOSL (10 lessons)

G. Testing Apex (9 lessons)

H. Apex Fast Recap (142 lessons)

I. Build Apex Coding Skills (64 lessons)

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