randomAlphaNumeric method
Implementation
String randomAlphaNumeric(int count) {
const String ALPHA_NUMERIC_STRING = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
String key = "";
Random random = Random();
while (count-- != 0) {
int character = random.nextInt(ALPHA_NUMERIC_STRING.length - 1);
key += ALPHA_NUMERIC_STRING[character];
}
return key;
}