Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.
Debugging, Testing, and Deploying Apex
Develop your Apex code in a sandbox and debug it with the Developer Console and debug
logs. Unit-test your code, then distribute it to customers using packages.