How do I write an Apex code?

How do I write an Apex code?

For a trigger on an object, from the object’s management settings, go to Triggers, click New, and then enter your code in the Body text box. For a class, from Setup, enter Apex Classes in the Quick Find box, then select Apex Classes. Click New, and then enter your code in the Body text box.

How do I run an Apex class in Salesforce?

Step 1 − Open the Developer Console.

  1. Step 2 − Click on Debug.
  2. Step 3 − Execute anonymous window will open as shown below. Now, click on the Execute button −
  3. Step 4 − Open the Debug Log when it will appear in the Logs pane.
  4. VF Page Code.
  5. Apex Class Code (Controller Extension)

How to create a fieldset in Apex code?

In the example below, we will use fieldset to display account list on visualforce page. We will use dynamic SOQL query in Apex code. First we need to create a fieldset. Go to Setup > Customize > Accounts > Field Set Click on new. Enter all mandatory fields. Also drag and drop all required fields in fieldset.

Where can I find Apex code in Salesforce?

Apex code can be initiated by Web service requests and from triggers on objects. Available in: Salesforce Classic (not available in all orgs) and Lightning Experience Available in: Enterprise, Performance, Unlimited, Developer, and Database.com Editions You can add Apex to most system events.

How is apex used in the user interface?

Like other database stored procedures, Apex does not attempt to provide general support for rendering elements in the user interface. Apex is a strongly typed language that uses direct references to schema objects such as object and field names. It fails quickly at compile time if any references are invalid.

How to use dynamic soql query in Apex code?

We will use dynamic SOQL query in Apex code. First we need to create a fieldset. Go to Setup > Customize > Accounts > Field Set Click on new. Enter all mandatory fields. Also drag and drop all required fields in fieldset. We will get following output in visualforce page: