import java.io.*;
import java.util.Random;

public class Pwngrammer {

    /**
     * JavaProgrammingForums.com
     */
    public static void main(String[] args) throws Exception {
        
        Random r = new Random();

        Writer output = null;
        File file = new File("PasswordFile.txt");
        output = new BufferedWriter(new FileWriter(file));
        
        int password = 0;

        for(int a = 0; a < 4; a++){
            password = (int)(9.0 * Math.random()) + 1;
            System.out.print(password);
            String myString = Integer.toString(password);
            output.write(myString);
        }
        
        output.close();
        System.out.println("");
        System.out.println("Password written to file.");

    }
}