//----------------------------------------------------------------------
// BlobApp.java          by Dale/Joyce/Weems                   Chapter 4
//
// Instantiates a Grid based on a percentage probability provided by the 
// user and reports the number of blobs in the Grid.
//----------------------------------------------------------------------

import java.util.Scanner;

public class BlobApp
{
  public static void main(String[] args)
  {
    Scanner conIn = new Scanner(System.in);

    final int GRIDR = 10;   // number of grid rows
    final int GRIDC = 40;   // number of grid columns

    // Get percentage probability of blob characters
    int percentage;       
    System.out.print("Input percentage probability (0 to 100): ");
    if (conIn.hasNextInt())
      percentage = conIn.nextInt();
    else
    {
      System.out.println("Error: you must enter an integer.");
      System.out.println("Terminating program.");
      return;
    }
    System.out.println();

    // create grid
    Grid grid = new Grid(GRIDR, GRIDC, percentage);
    
    // display grid and blob count
    System.out.println(grid);
    System.out.println("\nThere are " + grid.blobCount() + " blobs.\n");
  }
}