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What does an apex class do?
Apex Classes are similar to Java Classes. For example, InvoiceProcessor class describes the class which has all the methods and actions that can be performed on the Invoice. If you create an instance of this class, then it will represent the single invoice which is currently in context.
What is difference between public and global class in Apex?
public in Apex means the method or variable can be used by any Apex in this application or namespace. if you want to make something public like it is in Java, you need to use the global. If you declare a method or variable as global, you must also declare the class that contains it as global.
Which is the default access for apex classes?
This is the default access for inner classes—that is, if you don’t specify an access modifier for an inner class, it is considered private. This keyword can only be used with inner classes (or with top level test classes marked with the @isTest annotation).
Can you define a top level class in apex?
In Apex, you can define top-level classes (also called outer classes) as well as inner classes, that is, a class defined within another class. You can only have inner classes one level deep. For example: You must use one of the access modifiers (such as public or global) in the declaration of a top-level class.
How are apex classes similar to Java classes?
This is the standard definition of Class. Apex Classes are similar to Java Classes. For example, InvoiceProcessor class describes the class which has all the methods and actions that can be performed on the Invoice. If you create an instance of this class, then it will represent the single invoice which is currently in context.
What does with sharing mean in apex classes?
With Sharing This is a special feature of Apex Classes in Salesforce. When a class is specified with ‘With Sharing’ keyword then it has following implications: When the class will get executed, it will respect the User’s access settings and profile permission.