Public static void is the signature of a method in Java that has no return value (void) and can be accessed from anywhere within the program (public). Static means the method belongs to the class itself rather than an instance of the class.
The return type indicates what kind of data will be returned by a method. In this case, void means no value is returned.
Instance Method: An instance method belongs to an instance/object of the class rather than the class itself. It can access non-static members of the class.
Static Variable: Similar to static methods, static variables belong to the class itself rather than instances/objects. They maintain their values across different instances.