IN JAVA, For this exercise, you will create your own example of
using a generic method. First write a program that calls a method
to multiply two integers and return the integer result. Then modify
that program to make the method generic, calling it with two
generic data types (T1 and T2) and then returning the result in the
same type (also needs to be generic). Demonstrate your program by
calling the method two times, once with an integer and...