Apex classes form the backbone of custom development in Salesforce. They are the building blocks that let developers create powerful, flexible applications on the platform. Apex classes are containers for code that define objects, methods, and variables in Salesforce’s proprietary programming language.
Apex is similar to Java and follows object-oriented principles. It allows developers to write code that interacts directly with Salesforce data and features. Classes in Apex can define custom behavior, automate processes, and extend the capabilities of standard Salesforce objects.
Developers use Apex classes to create reusable code that can be called from multiple places in an application. These classes can handle complex business logic, integrate with external systems, and perform data manipulations that go beyond what’s possible with standard Salesforce tools. By leveraging Apex classes, organizations can tailor Salesforce to meet their unique needs and workflows.