generate Random AN String - Java java.lang

Java examples for java.lang:String Random

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Description

generate Random AN String

Demo Code


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

public class Main {
    public static void main(String[] argv) {
        int length = 42;
        System.out.println(generateRandomANString(length));
    }// w ww .  j av  a  2 s  .c o m

    private static Random random = new Random((new Date()).getTime());

    public static String generateRandomANString(int length) {
        char[] values = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
                'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'A', 'u',
                'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6',
                '7', '8', '9' };
        String out = "";
        for (int i = 0; i < length; i++) {
            int idx = random.nextInt(values.length);
            out += values[idx];
        }
        return out;
    }
}

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