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 Tools and Libs > Commons Lang3 > Random > Random Numeric String

Random Numeric String 

Apache Commons Lang 3.0 is a java library with lot of utilities and reusable components. This requires the library commons-lang3-3.0.1.jar to be in classpath. The following example shows using RandomStringUtils.randomNumeric() API. It generates a random string of given length by considering all numeric characters.

File Name  :  
com/bethecoder/tutorials/commons_lang/tests/random/RandomNumericStringTest.java 
Author  :  Sudhakar KV
Email  :  [email protected]
   
package com.bethecoder.tutorials.commons_lang.tests.random;

import org.apache.commons.lang3.RandomStringUtils;

public class RandomNumericStringTest {

  /**
   @param args
   */
  public static void main(String[] args) {
    System.out.println(RandomStringUtils.randomNumeric(4))//Random string of length 4
    System.out.println(RandomStringUtils.randomNumeric(6))//Random string of length 6
  }
}
   

It gives the following output,
5994
141185



 
  


  
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