A Java identifier is a name given to a package, class, interface, method, or variable. It allows a programmer to refer to the item from other places in the program. To make the most out of the identifiers you choose, make them meaningful and follow the standard Java naming conventions.

Why do we use identifier in Java?

Identifiers in Java are symbolic names used for identification. They can be a class name, variable name, method name, package name, constant name, and more.

What is the purpose of identifier?

Identifiers are symbols used to uniquely identify a program element in the code. They are also used to refer to types, constants, macros and parameters. An identifier name should indicate the meaning and usage of the element being referred.