Started with Salesforce visualforce apex certification

Custom controllers contain custom logic and data manipulation that can be used by a Visualforce page.Controllers typically retrieve the data to be displayed in a Visualforce page, and contain code that executes in response to page actions, such as a button being clicked. You can write a custom controller using Apex and completely control your app s logic from start to finish.

You can create a Visualforce Page that Uses a Custom Controller?

You can create a Custom Controller Apex Class?

You can "ADD" a Method to Retrieve Records?

Create a "getter method" that runs a SOQL query that returns records you want to display on your page.

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