/* 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.util.Random;

public class LibraryRandomNumber {
  static public void main(String[] args) {
    if (args.length != 2) { System.err.println(
      "Usage:\n\tjava LibraryRandomNumber [int/real] (count)");
      System.exit(-1); }
    
    String type = args[0]; int count = Integer.parseInt(args[1]);

    if (count <= 0) { System.err.println(
      "Error: count should be an integer > 0"); System.exit(-1); }
  
    Random rand = new Random();  

    if (type.equals("int")) { 
      for (int i=0; i<count; i++) System.out.println(rand.nextInt());
    } else if (type.equals("real")) {
      for (int i=0; i<count; i++) System.out.println(rand.nextDouble());
    } else { System.err.printf("Invalid type: \"%s\"\n",type);System.exit(-1); }
  }
}