access modifiers specifies the accessibility or scope of a field, method, constructor, or class. can change the access level of fields, constructors, methods, and class by applying the access modifier ...

Abstract: Every element of a software architecture, e.g. a subsystem, package, or class, should have a well-defined interface that exposes or hides its sub elements according to the principles of ...

In Java, packages are like organizational containers that group related classes, interfaces, and sub-packages together. They help manage the namespace, provide access protection, and make it easier to ...