// Yazzy Latif
// 7/27/2020
// CSE142
// TA: Grace Hopper

// Reads an input file and reports the real numbers read in (skipping and reporting non-number
//    tokens) and prints out the minimum and maximum values read.  

import java.io.*; // for file processing
import java.util.*; // scanner

public class FindMinAndMax {
   public static void main(String[] args) throws FileNotFoundException {
      File f = new File("data.txt");
      Scanner input = new Scanner(f);
      
      // if i was given a guarantee of the bounds
      //       use that as min and max
      
      double firstVal = input.nextDouble();
      System.out.println("next double was " + firstVal);

      double min = firstVal;
      double max = firstVal;
      //for (int i = 1; i <= 4; i++) {
      while (input.hasNext()) {
         if (input.hasNextDouble()) {
            double nextVal = input.nextDouble();
            System.out.println("next double was " + nextVal);
            min = Math.min(min, nextVal);
            max = Math.max(max, nextVal);
         } else {
            // throw away this token
            // we don't need to print it out, if we want we could
            // just have the line:
            // input.next()
            System.out.println("bad token was " + input.next());
         }
      }
      System.out.println("minimum was " + min + ", and maximum was " + max);

   }
}