public class DataRunner { public static void main(String[] args) { Data x = new Data(); System.out.println( x ); x.repopulate(); System.out.println( x ); System.out.println(x.countIncreasingCols()); } } /* output 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 30 10 10 30 20 30 20 10 50 80 20 20 30 50 70 40 30 90 30 40 60 50 10 80 70 1 */