generate random string in java
import java.util.Random; public class Generator { public static String generateRandomPassword(int len) { String chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijk" +"lmnopqrstuvwxyz!@#$%&"; Random rnd = new Random(); StringBuilder sb = new StringBuilder(len); for (int i = 0; i < len; i++) sb.append(chars.charAt(rnd.nextInt(chars.length()))); return sb.toString(); } }