Java Modifiers
In the Java it is possible to modify classes, methods, etc., by using modifiers. There are two categories of modifiers: 1. Access Modifiers: default, public , protected, private Java provides a number of access modifiers to set access levels for classes, variables, methods and constructors. The four access levels are: Visible to the package, the default. No modifiers are needed. Visible to the class only (private). Visible to the world (public). Visible to the package and all subclasses (protected). 2. Non-access Modifiers: static, final, abstract, synchronized, volatile . ...