get Random Nonce by length - Java java.util

Java examples for java.util:Random String

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Description

get Random Nonce by length

Demo Code


//package com.java2s;

import java.util.Random;

public class Main {
    public static void main(String[] argv) throws Exception {
        int length = 2;
        System.out.println(getRandomNonce(length));
    }//from ww w.j  av a  2 s.  co  m

    public static String getRandomNonce(int length) {
        StringBuffer buffer = new StringBuffer(
                "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
        StringBuffer sb = new StringBuffer();
        Random r = new Random();
        int range = buffer.length();
        for (int i = 0; i < length; i++) {
            sb.append(buffer.charAt(r.nextInt(range)));
        }
        return sb.toString();
    }
}

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