Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright (c) 2014 Netheos (http://www.netheos.net)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.security.SecureRandom;
import java.util.Random;

public class Main {
    private static final char[] CHARS = "abcdefghjkmnpqrstuvwxyzABCDEFGHJKMNPQRSTUVWXYZ23456789".toCharArray();

    /**
     * Generate a random String
     *
     * @param len The number of characters in the output String
     * @return The randomized String
     */
    public static String randomString(int len) {
        return randomString(CHARS, len);
    }

    /**
     * Generate a random String
     *
     * @param values The characters list to use in the randomization
     * @param len The number of characters in the output String
     * @return The randomized String
     */
    public static String randomString(char[] values, int len) {
        Random rnd = new SecureRandom();
        StringBuilder sb = new StringBuilder(len);
        for (int i = 0; i < len; i++) {
            sb.append(values[rnd.nextInt(values.length)]);
        }
        return sb.toString();
    }
}