Java Random Number getRandomNumAndLetterAF(int len)

Description

get Random Num And Letter AF

License

Open Source License

Declaration

public static String getRandomNumAndLetterAF(int len) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.Random;

public class Main {
    public static final String[] NUMSLETTER_A_F = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C",
            "D", "E", "F" };

    public static String getRandomNumAndLetterAF(int len) {
        String s = "";
        s.toCharArray();//from w w  w  .j a  v  a 2 s  .  c  om
        return getRandom(len, NUMSLETTER_A_F);
    }

    public static String getRandom(int len, String[] arr) {
        String s = "";
        if (len <= 0 || arr == null || arr.length < 0) {
            return s;
        }
        Random ra = new Random();
        int arrLen = arr.length;
        for (int i = 0; i < len; i++) {
            s += arr[ra.nextInt(arrLen)];
        }
        return s;
    }
}

Related

1. getRandomNum()
2. getRandomNum()
3. getRandomNum(double pSngBegin, double pSngEnd)
4. getRandomNum(int len)
5. getRandomNum(int pwd_len)
6. getRandomNumAndStr(int length)
7. getRandomNumber()
8. getRandomNumber()
9. getRandomNumber()