public boolean hasNext() {
      for (; index < iters.length; index++) {
         if (iters[index] != null && iters[index].hasNext()) {
            return true;
         }
      }

      return false;
   }
public boolean hasNext() {
      for (; index < iters.length; index++) {
         if (iters[index] != null && iters[index].hasNext()) {
            return true;
         }
      }

      return false;
   }
public boolean hasNext ( ) { for ( ; index < iters . length ; index ++ ) { if ( iters [ index ] != null && iters [ index ] . hasNext ( ) ) { return true ; } } return false ; }
Check if there are more elements.

@return  True if there are more elements.
Check if there are more elements .