Features of Apex Programming Language in Salesforce

Dive into the world of Apex, Salesforce’s powerful programming language, and uncover how it transforms CRM customization and functionality. This blog will guide you through the essentials of Apex, providing insights into:

• Discover the Java-like syntax and database integration that make Apex a key player in Salesforce development.
• Learn about the easy-to-use, integrated, and strongly typed nature of Apex, along with its multitenant environment and testing ease.
• Explore scenarios where Apex becomes essential for complex business logic and custom processes beyond out-of-the-box Salesforce capabilities.
• Gauge the benefits of using Apex for backend database access and application security, while understanding its limitations.

Let’s get started!

Apex Programming Language

Apex is a programming language that uses Java-like syntax & stores data in a database. It provides developers with a platform to add business logic to system events like insertion of records,updating related records, button clicks action, Visualforce pages & so on.

Key Facts About Apex

• Apex is built to perform DML statements like insert, update or delete and handle the DML Exception.
• Apex runs on the Force.com platform.
• Apex is used for creating unit tests and their execution.
• Apex permits developers to appoint the logic to save the record.
• Apex is used to validate the object’s references at compile time.
• Apex allows developers to create, access, or modify the records.
• Apex allows developers to roll back the operations.

Key features of Apex

Easy To Use

Apex is exceptionally simple to use as it utilizes Java-like syntax, which is very straightforward to code. Like Java syntax, it utilizes basic loops, block and restrictive proclamation linguistic structure, and item and cluster explanation.

Integrated

Apex has in-built DML activities like Insert, Delete, Update and DML exemption dealing with. It upholds loops that permit the handling of numerous records all at once. It has support for SOQL and SOSL queries, which return a bunch of subject records.

Strongly Typed

Apex is a specific language that implies that the client needs to characterize each factor’s information type, which prevents any disarray.

Multitenant Environment

Apex runs in a multitenant climate like other Lightning stages, which implies that only a solitary occurrence runs on the worker and serves various occupants.

Easy To Test

Apex offers help to make and run the unit test. It incorporates the test outcome so the client can become more acquainted with how much code is covered. It guarantees the execution of the entire code before any stage updates.

Capabilities of Apex

• DML calls to embed, update, and erase a record. Inline SOQL or SOSL articulations for recovering records.
•  Looping control structures that assist with mass handling.
•  A record locking sentence structure that forestalls record update clashes.
•  Custom public API calls. Send and get messages or Emails.
•  Web administrations or XML demand/reaction incorporations. Alerts and mistakes to forestall objects referred to by apex from being altered.

When can we use Apex?

Use Apex

Apex ought to be utilized when we cannot execute the complex business usefulness using the prefabricated and existing out-of-the-box functionalities.

The following are the situations where we need to utilize Apex over Salesforce configuration.

When can we use Apex

• 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).
• Attach custom logic to another operation, such as saving a record, so that it occurs whenever the operation is executed, regardless of whether it originates in the user interface, a Visualforce page, or from SOAP API.

Advantages and Disadvantages of Apex

Advantages

• Developers can utilize the backend information base given by Salesforce to get to other outsider SaaS memberships. These memberships provide a thought to how SaaS functions and where Apex goes to the party.
• Developing an application on the Salesforce stage for software engineers is not difficult to oversee. Developers can utilize existing Applications to make changes.
• The application is secure, approved, completely confirmed and available. Clients might want the accommodation of utilizing required. this application.
• The cycle is savvy, and the application is easy to keep up with. However, the permitting cost of programming is higher than that of a Salesforce month to month account.
• You do not need to purchase a whole framework and recruit IT, faculty. Apex deals with its own.

Disadvantage 

• Developers need to guarantee that their applications and end projects should deal with and manage numerous records.
• Developers will not have the option to make threads on Apex like they can do on other programming dialects.
• Developers cannot change the standard functionality of the program in case it is required.
• Developers cannot make files of a brief sort on Apex.
• The Ul does not show elements.

Use Case

Sun Solar has launched a self-service experience site where customers can self-register. There is a requirement to send customized welcome emails at the end of each day. How can this requirement be fulfilled?

Solution: Batch Apex

Reason: Create a batch class that can be scheduled to run everyday at a defined time to send emails in bulk to the registered customers.

Summing Up

As we’ve journeyed through the intricacies of Apex within Salesforce, it’s clear that mastering this powerful programming language can significantly elevate your CRM customization and functionality capabilities. From understanding its Java-like syntax to exploring its vast array of features and practical applications, Apex stands as a cornerstone for any developer looking to harness the full potential of Salesforce. Yet, the path to becoming proficient in Apex—and Salesforce as a whole—is one of continuous learning and practice.

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