This is the least restrictive access modifier. So, a public access modifier is basically accessible from everywhere. More specifically, a module is a set of Kotlin files compiled together, such as intelliJ IDEA module or a Maven project.
So, the internal visibility modifier means that the member is visible within the same module.
The protected access modifier is accessible only within the same class and additionally from all the subclasses of its class. The private modifier is the most restrictive access level. Methods, variables, and constructors that are declared private can only be accessed within the declared class itself. So, the private access modifier is accessible only within the class. There are four access modifiers in Kotlin, and to be specific, the first one is private. Access modifiers are used for setting the access level to classes, variables, functions, and constructors. So, in this video here we're going to learn access modifiers or visibility modifiers in Kotlin.
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