Java Random String getRandomString(int minLength, int maxLength)

Description

get Random String

License

Open Source License

Declaration

public static String getRandomString(int minLength, int maxLength) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2010 Robert "Unlogic" Olofsson (unlogic@unlogic.se).
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Lesser Public License v3
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/lgpl-3.0-standalone.html
 ******************************************************************************/

import java.util.Random;

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

    public static String getRandomString(int minLength, int maxLength) {

        int length;

        if (minLength == maxLength) {

            length = minLength;//  w  w w .ja  v a  2s .  c  om

        } else {

            length = RANDOM.nextInt(maxLength - minLength) + minLength;
        }

        char[] randomString = new char[length];

        for (int x = 0; x < length; x++) {
            int randDecimalAsciiVal = RANDOM.nextInt(25) + 97;
            randomString[x] = (char) randDecimalAsciiVal;
        }

        return new String(randomString);
    }
}

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