get random Char - Java java.util

Java examples for java.util:Random String

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Description

get random Char

Demo Code


//package com.java2s;

import java.util.Random;

public class Main {
    public static void main(String[] argv) throws Exception {
        System.out.println(randomChar());
    }/*from  ww  w  .  java2  s. com*/

    public static char randomChar() {
        return randomChar("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
    }

    public static char randomChar(String alphabet) {
        return alphabet.charAt(new Random().nextInt(alphabet.length()));
    }
}

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