public String generateRandomEmailAddress(String domain) {
String emailAddress = "";
// Generate random email address
String alphabet = "abcdefghijklmnopqrstuvwxyz";
while (emailAddress.length() < 5) {
int character = (int) (Math.random() * 26);
emailAddress += alphabet.substring(character, character + 1);
}
emailAddress += Integer.valueOf((int) (Math.random() * 99)).toString();
emailAddress += "@" + domain;
return emailAddress;
}
// Returns are randomly generated email id, part before the domain name
private String shuffleEmail(String email) {
String shuffledString = "";
while (email.length() != 0) {
int index = (int) Math.floor(Math.random() * email.length());
char c = email.charAt(index);
email = email.substring(0, index) + email.substring(index + 1);
shuffledString += c;
}
return shuffledString;
}