Java Random String getRandomString(final int len)

Description

get Random String

License

Open Source License

Declaration

public static String getRandomString(final int len) 

Method Source Code

//package com.java2s;
/**/*from w  w w  .j  a va 2s.  c  om*/
 * SPINdle (version 2.2.2)
 * Copyright (C) 2009-2012 NICTA Ltd.
 *
 * This file is part of SPINdle project.
 * 
 * SPINdle is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * SPINdle is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with SPINdle.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @author H.-P. Lam (oleklam@gmail.com), National ICT Australia - Queensland Research Laboratory 
 */

import java.util.Random;

public class Main {
    private static final String CHARACTORS = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
    private static Random RANDOM_GENERATOR = new Random(
            System.currentTimeMillis());

    public static String getRandomString(final int len) {
        StringBuilder sb = new StringBuilder();
        int max = CHARACTORS.length();
        for (int i = 0; i < len; i++) {
            sb.append(CHARACTORS.charAt(RANDOM_GENERATOR.nextInt(max)));
        }
        return sb.toString();
    }
}

Related

1. getRandomString()
2. getRandomString()
3. getRandomString()
4. getRandomString()
5. getRandomString()
6. getRandomString(final int len)
7. getRandomString(final int length)
8. getRandomString(final int size)
9. getRandomString(final int size)