public class PrimeListTest {
  public static void main(String[] args) {
    int numDigits;
    if (args.length > 0)
      numDigits = Integer.parseInt(args[0]);
    else
      numDigits = 150;
    PrimeList primes = new PrimeList(50, numDigits, true);
    do {
      try { Thread.sleep(1000); }
      catch(InterruptedException ie) {}
      System.out.println("Number of " + numDigits +
                         " length primes found: " +
                         primes.numCalculatedPrimes());
    } while(!primes.isDone());
    System.out.println("Number of " + numDigits +
                       " length primes found: " +
                       primes.numCalculatedPrimes());
  }

}