Hi Francisc,
you can do it using standard Java libraries. Try this method:
String chars = "abcdefghijklmnopqrstuvwxyz0123456789"
public static String randomString(String chars, int length) {
Random rand = new Random();
StringBuilder sb = new StringBuilder();
for (int i=0; i<length; i++) {
sb.append(chars.charAt(rand.nextInt(chars.length())));
}
return sb.toString();
}
println randomString(chars, 10)
You can edit chars variable to set what characters should be in your final random string.