Apex Developer Guide

Apex Developer Guide
Release Notes
Getting Started with Apex
Writing Apex
Data Types and Variables
Control Flow Statements
Classes, Objects, and Interfaces
Working with Data in Apex
Working with sObjects
Data Manipulation Language
SOQL and SOSL Queries
SOQL For Loops
sObject Collections
Lists of sObjects
Sorting Lists of sObjects
Expanding sObject and List Expressions
Sets of Objects
Maps of sObjects
Dynamic Apex
Apex Security and Sharing
Custom Settings
Running Apex
Debugging, Testing, and Deploying Apex
Apex Reference
Appendices
PDF

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sObject Collections

You can manage sObjects in lists, sets, and maps.