Java Random String getRandomString(int length, Random rnd)

Here you can find the source of getRandomString(int length, Random rnd)

Description

get Random String

License

Apache License

Declaration

public static String getRandomString(int length, Random rnd) 

Method Source Code

//package com.java2s;
/*// w w  w.ja va2s .  co m
 * Copyright 2009-2013 by The Regents of the University of California
 * 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 from
 * 
 *     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 {
    public static String getRandomString(int length, Random rnd) {
        String s = Long.toHexString(Double.doubleToLongBits(rnd.nextDouble()));
        StringBuilder strBuilder = new StringBuilder();
        for (int i = 0; i < s.length() && i < length; i++) {
            strBuilder.append(s.charAt(Math.abs(rnd.nextInt()) % s.length()));
        }
        return strBuilder.toString();
    }
}

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