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apex sfdev
What are System-supplied Apex classes?
I am going through TRAILHEAD - Apex Basics & Database Getting Started with Apex module, there i found, the following,
Apex supports the following data types.
Do we get an apex class for each standard object, please tell me.
Apex supports the following data types.
- A primitive, such as an Integer, Double, Long, Date, Datetime, String, ID, Boolean, among others.
- An sObject, either as a generic sObject or as a specific sObject, such as an Account, Contact, or MyCustomObject__c (you’ll learn more about sObjects in a later unit.)
- A collection, including:
- A list (or array) of primitives, sObjects, user defined objects, objects created from Apexclasses, or collections
- A set of primitives
- A map from a primitive to a primitive, sObject, or collection
- A typed list of values, also known as an enum
- User-defined Apex classes
- System-supplied Apex classes
Do we get an apex class for each standard object, please tell me.
1. PageReference
2. SelectOption
3. StandardController
4. StandardSetController
5. Message
6. Action
7. Dynamic Component
A huge list is there, which are inbuilt or in other words System-supplied Apex classes