public class GridTester { // instance variables - replace the example below with your own public static void main(String[] args ) { Grid g = new Grid(3, 3); for(int i =0; i<10;i++) { g.print(); System.out.println("Is col 0 decreasing? " + g.isDecreasingCol(0)); System.out.println("Is col 1 decreasing? " + g.isDecreasingCol(1)); System.out.println("Is col 2 decreasing? " + g.isDecreasingCol(2)); g.repopulate(); } } }