Main.java

package org.prevayler.demos.demo1;
import org.prevayler.Prevayler;
import org.prevayler.PrevaylerFactory;
import java.io.*;

public class Main {
  public static void main(  String[] args) throws Exception {
    printMessage();
    Prevayler prevayler=PrevaylerFactory.createPrevayler(new NumberKeeper(),"demo1");
    new PrimeCalculator(prevayler).start();
  }
  static private void printMessage() throws Exception {
    System.out.println("\nRobustness Reminder: You can kill this process at any time.\nWhen you restart the system, you will see that nothing was lost.\nPress Enter to continue.\n");
    (new BufferedReader(new InputStreamReader(System.in))).readLine();
  }
}