1. What is the header for a method named exercise6 that returns an int value and has an array of integers as a parameter. Instead of handling a possible IOException, the method’s author expects its...

1. What is the header for a method named exercise6 that returns an int value and has an array of integers as a parameter. Instead of handling a possible IOException, the method’s author expects its client to do so.

2. Repeat the previous exercise, but this time assume that the method  handles any checked exception.