import java.io.File; import java.io.FileNotFoundException; import java.util.ArrayList; import java.util.Collections; import java.util.Scanner; class Part2 { public static void main (String[] args) { Scanner f; try { f = Part2.readFile(args[0]); } catch (FileNotFoundException e) { System.out.println("File not found, stopping execution"); return; } ArrayList sums = new ArrayList(); Integer runningSum = 0; while (f.hasNextLine()) { String l = f.nextLine(); if (l.equals("")) { sums.add(runningSum); runningSum = 0; } else { runningSum = runningSum + Integer.parseInt(l); } } f.close(); Collections.sort(sums, Collections.reverseOrder()); System.out.print( "The largest three values are: " + sums.subList(0, 3).toString() + " totalling: " ); System.out.println(sums.get(0) + sums.get(1) + sums.get(2)); } private static Scanner readFile(String file) throws FileNotFoundException { File f = new File(file); Scanner s = new Scanner(f); return s; } }