- Apex is a strongly typed, object-oriented programming language that compiles and run on force.com platform
- Apex programming language is a case insensitive language
- Two types of flow of actions in Apex are 1) Developer action 2) End-user action
- Apex helps you to create web services that integrate Salesforce with other applications.
What is an apex in Salesforce?
What is Apex programming language?
- Apex syntax looks mostly like a Java programming language.
- Apex allows developers to write business logic to the record save process.
- Apex has built in support for unit test creation and its execution.
How to set and list methods in Salesforce apex?
- add (setElement) Adds an element to the set if it is not already present. …
- addAll (fromList) Adds all of the elements in the specified list to the set if they are not already present. …
- addAll (fromSet) Adds all of the elements in the specified set to the set that calls the method if they are not already present.
How to write test classes in apex Salesforce?
How to write the Schedule Apex Class with Test Class in Salesforce. This post describes about to create a Schedule Apex class with Test Class, Monitor the Scheduled Jobs, Delete the Scheduled Jobs. Use Case: To update the Contact records every hours after 6 minutes (like 8:06, 9:06, 10:06, etc..) Schedule Apex Class:
What are triggers in Salesforce?
Triggers in Salesforce are programmatic event handlers which is an Apex code that gets executed when a record is saved. Trigger is an object where for each trigger we have written, Salesforce will create a record in ApexTrigger object.
What does Salesforce Apex mean?
Salesforce Apex is a Microsoft-certified framework for building software as a service (SaaS) apps on top of Salesforce’s customer relationship management (CRM) functionality.
What is Apex code based on?
Apex is based on familiar Java idioms, such as variable and expression syntax, block and conditional statement syntax, loop syntax, object and array notation. Where Apex introduces new elements, it uses syntax and semantics that are easy to understand and encourage efficient use of the Lightning Platform.
How does Apex work in Salesforce?
When a developer writes and saves Apex code to the platform, the platform application server first compiles the code into an abstract set of instructions that can be understood by the Apex runtime interpreter, and then saves those instructions as metadata.
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.
What is Apex method?
In Apex, all primitive data type arguments, such as Integer or String, are passed into methods by value. This fact means that any changes to the arguments exist only within the scope of the method. When the method returns, the changes to the arguments are lost.
What is Apex and Visualforce?
Apex and Visual Force. Visualforce is a component-based user interface (UI) framework that allows the development of strong and reusable interfaces. Apex is a platform for developing software as a service (SaaS) applications based on the CRM functionality of Salesforce.
Why do we need apex in Salesforce?
Apex allows its developers to create complex CRM applications that provide access to the Salesforce database and client-server interfaces to create a third-party SaaS application. It also allows customizing pre-built applications according to complex business requirements.
What is Apex element?
The Apex Element timepiece features raised markers that allow you to feel the time by touch: a triangular marker for twelve, elongated line segments for three, six, and nine, and shorter line segments for the other markers.
Is Apex code compiled?
How does Apex work? Apex is compiled, stored and run entirely on force.com platform. All Apex runs entirely on-demand on the force.com.
Is Apex coding easy?
Learning Apex will not be easy but you can do it. Persevere! It is a journey that will make you smarter and more desirable on the job market. The use of the above 4 resources combined with the 2 tools and 3 attitudes will bring triumph to your clutch.
How do I run an Apex code in Salesforce?
Executing Anonymous Apex CodeClick Debug | Open Execute Anonymous Window to open the Enter Apex Code window.Enter the code you want to run in the Enter Apex Code window or click. … Execute the code: … If you selected Open Log, the log automatically opens in the Log Inspector.More items…
When should I use Apex?
Use Apex if you want to:Create Web services.Create email services.Perform complex validation over multiple objects.Create complex business processes that are not supported by workflow.Create custom transactional logic (logic that occurs over the entire transaction, not just with a single record or object).More items…
What is Apex extension?
The Apex extension provides context-sensitive suggestions when you’re working in an Apex class or trigger. As you type, auto-completion will list members such as, methods or variables. The auto-completion list also displays the documentation for the suggestions. Use these keys:
How to find Apex references?
To find references, select an item and press Shift+F12; Or right-click the item and select Find All References. The reference results are displayed in the left pane of the editor window.
How to run Anonymous Apex in Visual Studio?
You can execute Anonymous Apex in Visual Studio code in two ways. First, just select any Apex code and run the command SFDX: Execute Anonymous Apex with Currently Selected Text. Additionally, if you want to execute the entire context of a file, you can run the command SFDX: Execute Anonymous Apex with Editor Contents.
How many core programmatic technologies are there in Salesforce?
There are three core programmatic technologies to learn about as a Salesforce developer.
What is Visualforce in Salesforce?
What is SLDS in Salesforce?
SLDS (Salesforce Lightning Design System) lets you style your pages so they match the look and feel of Salesforce’s new interface, Lightning Experience. Another thing to notice is that Visualforce uses a similar convention to Lightning components with <apex:tagName>.
Is Process Builder low code?
Earlier, we talked about Process Builder as a low-code tool. While it’s low-code, you can also extend the functionality of Process Builder by writing a little code. Let’s go back to DreamHouse and take a look at a process that sends a push notification whenever a home price changes.
Can you add Lightning components to Salesforce?
Another great thing about Lightning components is that they’re mobile-ready. When you create apps for the Salesforce mobile app, you don’t have to worry about the way Lightning components display. You can just add them to the app and let the platform handle the rest.
What is Apex code?
It enables the developers to add business logic to most system events, including button clicks, related record updates, and Visualforce pages.Apex code can be initiated by Web service requests and from triggers on objects. Apex is included in Performance Edition, Unlimited Edition, Enterprise Edition, and Developer Edition.
What is Apex programming?
As per the official definition, Apex is a strongly typed, object-oriented programming language that allows developers to execute the flow and transaction control statements on the Force.com platform server in conjunction with calls to the Force.com API.
How does Apex work?
When an end-user triggers the execution of Apex , by clicking a button or accessing a Visualforce page, the platform application server retrieves the compiled instructions from the metadata and sends them through the runtime interpreter before returning the result. The end-user observes no differences in execution time as compared to the standard application platform request.
What is the purpose of Apex runtime engine?
Consequently, the Apex runtime engine is designed to guard closely against runaway code, preventing it from monopolizing shared resources. Any code that violates limits fails with easy-to-understand error messages.
What is Apex language?
Apex is a strongly typed language. It uses direct reference to schema objects like sObject and any invalid reference quickly fails if it is deleted or if is of wrong data type.
How many sequences of actions are there in Apex?
There are two sequence of actions when the developer saves the code and when an end user performs some action which invokes the Apex code as shown below −
When to use Apex?
Apex should be used when we are not able to implement the complex business functionality using the pre-built and existing out of the box functionalities. Below are the cases where we need to use apex over Salesforce configuration.