generates an alphanumeric string based on specified length. : Password « Security « Java

generates an alphanumeric string based on specified length.

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//package org.opentides.util;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Random;

import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;

public class StringUtil {

  private static Random random = new Random((new Date()).getTime());
     * generates an alphanumeric string based on specified length.
     * @param length # of characters to generate
     * @return random string
    public static String generateRandomString(int length) {
      char[] values = {'a','b','c','d','e','f','g','h','i','j',
      String out = "";
      for (int i=0;i<length;i++) {
          int idx=random.nextInt(values.length);
        out += values[idx];
      return out;


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