UserGenerator

import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

public class UserGenerator {

    private String[] usernames = new String[100];
    private String[] passwords = new String[100];

    public static void main(String[] args) {
        UserGenerator m = new UserGenerator();
        m.fillUserData();
        m.generateWebtoursUsers();
        m.generateLoadRunnerDatFile();
    }

    private void fillUserData() {
        for (int i = 0; i < 100; i++) {
            int randnum = (int) ((Math.random() * 999) + 1);
            usernames[i] = "user" + i;
            passwords[i] = randnum + "" + randnum;
        }
    }

    private void generateWebtoursUsers () {
        Path path = Paths.get("users");
        try{
            Files.createDirectories(path);
            for (int i = 0; i < 100; i++){
                FileWriter fw = new FileWriter(path + "\\" + usernames[i]);
                fw.write(passwords[i] + "\n");
                fw.flush();
                fw.close();
            }
        } catch (IOException ex) {}
    }

    private void generateLoadRunnerDatFile () {
        String linebreak = System.getProperty("line.separator");
        try{
            FileWriter fw = new FileWriter("User.dat");
            fw.write("User,Password" + linebreak);
            for (int i = 0; i < 100; i++){
                fw.write(usernames[i] + "," + passwords[i] + linebreak);
            }
            fw.flush();
            fw.close();
        } catch (IOException ex) { }
    }
}