Java is a programming language and a platform. It is a high-level, robust, object-oriented, and secure programming language.

The while loop is an iterative control statement. A while loop repeatedly executes the loop's statement(s) several times as a given condition is true. Execution of the loop is terminated when the condition of the while loop becomes false and executes code after the loop.

Groovy is an object-oriented programming language. It is based on the Java platform. It can also be used as a scripting language.

A function is a self-contained group of subprograms used to perform specific, well-defined tasks. The functions are divided into two parts: the user-defined and the library function.