Java Password Generate generateString(int length)

Description

Generates a random string with a length of length.

License

Apache License

Parameter

Parameter	Description
length	the length of the generated string.

Return

String

Declaration

public static String generateString(int length) 

Method Source Code

//package com.java2s;
/*//  w w  w.ja va2s . c  o m
 * Copyright 2014 Alex Bennett & Alexander Chauncey
 *
 * 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.util.Random;

public class Main {
    private static final Random random = new Random();

    /**
     * Generates a random string with a length of <code>length</code>.
     *
     * @param length the length of the generated string.
     * @return String
     */
    public static String generateString(int length) {
        // Set allowed characters - Create new string to fill - Generate the string - Return string
        char[] chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < length; i++) {
            char c = chars[random.nextInt(chars.length)];
            sb.append(c);
        }
        return sb.toString();
    }
}

Related

1. generatePassword(int length)
2. generatePassword(int length, boolean special)
3. generatePassword(int length, String combination)
4. generatePassword(int minLen, int maxLen, int noOfCAPSAlpha, int noOfDigits, int noOfSplChars)
5. generateString(final String letters, int length)
6. generateString(int length)
7. generateString(int length)
8. generateString(int length)
9. GenerateString(int Length)