Salesforce Platform Developer I Certification Guide

Access modifiers

As the name suggests, access modifiers help to restrict the scope of a class, constructor, variable, or method. Let's take a look at the different access modifiers and see how to impact our logic.

Let's go back to our class and analyze the code a little bit more in depth. The first line in our code is the definition of our class:

public class MovieSelector {}

In this line of code, you have three parts:

• public: Our access modifier
• class: Because we define a class
• MovieSelector: The name of the class

The first part is the most important in this chapter.

The access modifier allows you to define the visibility of your classes, variables, or methods. I will give you an overview of the different access modifiers and what they ...