RandomStringUtils.random3 : RandomStringUtils « Apache Common « Java Tutorial

1. Java Tutorial
2. Apache Common
3. RandomStringUtils

import org.apache.commons.lang.RandomStringUtils;

public class MainClass {
    public static void main(String[] args) {
      //Random 8 chars string using only the elements in the array aChars
      //Only charcters between place 0 and 5 in the array can be used.
      //Both letters and numbers are permitted
      System.out.print("5) 8 char string using specific characters in an array >>>");

      char[] aChars = new char[] { 'a', '1', 'c', '2', 'e', 'f', 'g' };
      System.out.println(RandomStringUtils.random(8, 0, 5, true, true, aChars));

    }
}

4) 8 char string -Alphabets only >>>WOjFhopO

37.11.RandomStringUtils
	37.11.1.	RandomStringUtils.randomNumeric
	37.11.2.	RandomStringUtils.randomAlphanumeric
	37.11.3.	RandomStringUtils.randomAlphabetic
	37.11.4.	RandomStringUtils.random3
	37.11.5.	RandomStringUtils.random2
	37.11.6.	RandomStringUtils.random