title: Convert an integer to an array of characters : java
body: <p>What is the best way to convert an integer into a character array?</p>
  
  <p>Input: 1234</p>
  
  <p>Output: {1,2,3,4}</p>
  
  <p>Keeping in mind the vastness of Java language what will be the best and most efficient way of doing it?</p>