Popcorn.java

 import java.util.Scanner;
  import java.io.*;
  
  public class Popcorn{
  
  //establishing a print heading.  
 
///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////  
  public static void processData(String lineToProcess)
    {         
        int commaIndex  = lineToProcess.indexOf(',');
        String farmName = lineToProcess.substring(0, commaIndex);
        String lastTwo  = lineToProcess.substring(commaIndex + 1).trim();                         
        String[] split  = lastTwo.split(" ", 2);
        double acres    = Double.parseDouble(split[0]);
        double jars     = Double.parseDouble(split[1]);
        int stars       =(int)(jars/acres)/25;
             printBarGraph(farmName, stars);
     } 
 
  public static String printBarGraph(String farm, int stars)
     {
       System.out.printf("%-30s",farm);
         for(int i = 0; i < stars; i++)
         {
           System.out.print("*");
           if (i == 19)
           {
             System.out.print("#");
           }
         }
         if (stars <19) {
        	 for (int i = stars; i <= 19; i++) {
        		 System.out.print(" ");
        	 }
        	 System.out.print("|");
         }
         
       return farm;
  
     }
  
  public static void main(String[] args)throws IOException{
 
   
  Scanner in = new Scanner(System.in);
  System.out.println("Please enter a file name. ");
  String fileName = in.next();
  
  //creating a file from user input
  File file = new File(fileName);
  
  //validating input and checking if file exists
  //and reprompting user
  while (!file.exists())
  {
   System.out.println("Error: Please enter a valid file name. ");
   fileName = in.next();
   file = new File(fileName);
  }
  
  //creating a new filereader and file scanner
  FileReader inReader  = new FileReader(fileName);
  Scanner inFile = new Scanner(inReader);
  
   System.out.printf("%30s", "Popcorn Co-op");
   System.out.println();
   System.out.println();
   System.out.printf("%30s"," ");
   System.out.print("Production in Hundreds");
   System.out.println();
   System.out.printf("%30s", " ");
   System.out.print("of Pint Jars per Acre");
   System.out.println();
   //System.out.print("");
   System.out.printf("%-30s", "Farm Name");
   System.out.print("    1   2   3   4   5   6   7   ");
   System.out.println();
   System.out.printf("%30s", " ");
   System.out.print(" ---|---|---|---|---|---|---|---");
   System.out.println();
  
 
 while (inFile.hasNextLine()){
      String fullLine = inFile.nextLine();
      processData(fullLine);
      System.out.println();
  
  
  }
  
  }}