How to generate a Random Numeric String 

Jodd is an open-source java library with lot of reusable components and feature rich utilities. This requires the library jodd-3.3.2.jar to be in classpath. The following example shows how to generate a random numeric string of specified length using RandomStringUtil.randomNumeric() API.

File Name  :   com/bethecoder/tutorials/jodd/utils/RandomNumericTest.java  Author  :   Sudhakar KV Email  :   [email protected]

package com.bethecoder.tutorials.jodd.utils; import jodd.util.RandomStringUtil; public class RandomNumericTest {   /**    * @param args    */   public static void main(String[] args) {     System.out.println(RandomStringUtil.randomNumeric(4));     System.out.println(RandomStringUtil.randomNumeric(6));     System.out.println(RandomStringUtil.randomNumeric(8));   } }

3211
987855
84971717