1) 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 of arguments

2)Why java se method overriding? Write statements that perform the following one dimensional-array operations i)Set the 10 elements of integer array counts to zero

ii) Add one to each of the 15 elements of integer array bonus

iii) Display the five values of integer array bestscores in column format