public class LoopArraysProgram
{

  public static void main(String[] args) {

    System.out.println("Please enter the size of your data (n) " +
                                  "set followed by n numbers to visualise: ");
    int n = IOUtil.readInt();
    double data[] = new double[n];
    for (int i = 0 ; i < n ; i++)
      data[i] = IOUtil.readDouble();

    System.out.println("Please enter a minimum, maximum and number" +
                                   " of buckets to print a histogram with:");

    double min = IOUtil.readDouble();
    double max = IOUtil.readDouble();
    int nrBuckets = IOUtil.readInt();

    int v[] = LoopArraysLibrary.frequencyTable(min, max, nrBuckets, data);

    int ymax = LoopArraysLibrary.maximum(v) + 2;

    char h[][] = new char[ymax][v.length + 1];

    for (int i = 0 ; i <= ymax - 2 ; i++) {
      h[i][0] = '|';
      for (int j = 1 ; j <= v.length ; j++)
        h[i][j] = ' ';
    }

    h[ymax-1][0] = '+';

    for (int i = 1 ; i <= v.length ; i++) {
      h[ymax-1][i] = '-';
      for (int j = ymax - 2; j >= ymax - 1 - v[i-1] ; j--)
        h[j][i] = '#';
    }

    //5 -1.1 1.1 1.2 -0.8 1.6

    for (int i = 0 ; i < ymax ; i++)
    {
      for (int j = 0 ; j < v.length + 1 ; j++)
        System.out.print(h[i][j]);
      System.out.println();
    }

  }

}