/* Copyright 2005 Daniel Cer (daniel.cer@cs.colorado.edu)

This work is licensed under the Creative Commons Attribution-NonCommercial-
ShareAlike License. To view a copy of this license, visit 
http://creativecommons.org/licenses/by-nc-sa/2.5/ or send a letter to 
Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 
94105, USA.
*/

import java.io.FileReader;
import java.io.BufferedReader;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;

public class LibrarySort {
  public static void main(String[] args) throws Exception {
    if (args.length != 1) {
      System.err.println(
        "Usage:\n\tjava LibrarySort (file with numbers to sort)");
      System.exit(-1);
    }
    
    ArrayList<Float> items = new ArrayList<Float>();
   
    BufferedReader breader = new BufferedReader(new FileReader(args[0]));

    // read in the items
    for (String inLine; (inLine = breader.readLine()) != null; ) 
      items.add(Float.valueOf(inLine));

    // sort them
    Collections.sort(items); 
    
    // display the results
    for (Iterator<Float> iter = items.iterator(); iter.hasNext(); ) {
       Float f = iter.next();
       System.out.println(f);
    }
  }
}