password via random String - Java java.util

Java examples for java.util:Random String

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Description

password via random String

Demo Code


//package com.java2s;
import java.util.Random;

public class Main {
    public static void main(String[] argv) throws Exception {
        System.out.println(password());
    }/* w ww .  j  ava 2  s .co m*/

    private static String AB = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";

    public static String password() {

        Random rnd = new Random();

        int len = 8;

        StringBuilder sb = new StringBuilder(len);
        for (int i = 0; i < len; i++) {
            sb.append(AB.charAt(rnd.nextInt(AB.length())));
        }
        return sb.toString();

    }
}

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