In Java:

Write an application that calculates the product of a series of integers that are passed to method product using a variable-length argument list. Test your method with several calls, each with a different number of arguments.

From the question you have been asked, please make sure that your program meets all of the following conditions:

Your program must have:

At least one or more instance variables (All instance variables must be private)

At least one constructor

Getters(accessors) and setters(mutators) for all private instance variables

Override the toString() method as well where you will return the instance variables.

Have methods that will make the application fully operation based on the answer you have been asked