ConclusionĪccess modifiers are fundamental to encapsulation and OOP in Java. Use protected when you want a subclass to have access outside of the default 'package-private'. While 'package-private' access would normally prevent us from accessing myAge from a different package, the protected access modifier allows us to access the variable from any subclass of ClassA When should I use protected? In this example, we are still able to access myAge from within MainClass because it's a subclass of ClassA.
The public access modifier indicates a certain class, property, or method is 'publicly' available to other classes: //ClassA.java package myPackage public class ClassA Access levels in Javaįollowing is an explanation of each access modifier in Java including basic examples and best use cases: public This makes code both more readable and less error prone. Using access modifiers, you can make fields read-only/write-only and have complete control over what other classes can and can't access. Access modifiers are important because they make your code more maintainable and provide encapsulation.
Access modifiers control how classes can access the properties and methods of other classes.
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