how to program to traverse the matrix in this way. for ease of understanding, I describe it this way, given a matrix 1 2 3 4 5 6 7 8 9 a b c d e f g I need to traverse the data in the lower left half of it, traversing diagonally first, followed by to...
there is a User class whose method calculate () needs to use a member value in an instance of the external data class as the input source. In the User constructor, you need to pass in different data instances as parameters, and create different User cla...