java uuid acak
String id = UUID.randomUUID().toString();
Merlin4 (ranken)
String id = UUID.randomUUID().toString();
import java.security.SecureRandom;
import java.util.UUID;
public class RandomUtil {
// Maxim: Copied from UUID implementation :)
private static volatile SecureRandom numberGenerator = null;
private static final long MSB = 0x8000000000000000L;
public static String unique() {
SecureRandom ng = numberGenerator;
if (ng == null) {
numberGenerator = ng = new SecureRandom();
}
return Long.toHexString(MSB | ng.nextLong()) + Long.toHexString(MSB | ng.nextLong());
}
}
public static void main(String[] args) {
final String uuid = UUID.randomUUID().toString().replace("-", "");
System.out.println("uuid = " + uuid);
}