Java Annotation @Deprecated

import java.math.BigInteger;

public class Main {

   public static void main(String[] args) {
      BigInteger[] arr = new BigInteger[2];
      arr[0] = new BigInteger("1");
      arr[1] = new BigInteger("25");
// Use the older, deprecated method  
      System.out.println(addNumbers(1, 25));
      // Use the newer, non-deprecated method
      System.out.println(addNumbers(arr));
   }/*from  ww  w . j  a  v a  2s  .co m*/

   /**
    * Accepts two values and returns their sum.
    * 
    * @param x
    * @param y
    * @return
    * @deprecated The newer, more robust addNumbers(BigInteger[]) should now be
    *             used
    */
   @Deprecated
   public static int addNumbers(int x, int y) {
      return x + y;
   }

   /**
    * Newer, better method that accepts an unlimited number of values and returns
    * the sum.
    * 
    * @param nums
    * @return
    */
   public static BigInteger addNumbers(BigInteger[] nums) {
      BigInteger result = new BigInteger("0");
      for (BigInteger num : nums) {
         result = result.add(num);
      }

      return result;
   }

}