public   static  Object addArray(Object add, Object src,  boolean  before){
		Object ret;
		 if (src== null ){
			ret = add;
		} else   if (add!= null ){
			ret =  new  Object[Array.getLength(src) + Array.getLength(add)];
			 if (before){
				System.arraycopy(add,  0 , ret,  0 , Array.getLength(add));
				System.arraycopy(src,  0 , ret, Array.getLength(add), Array.getLength(src));
			} else {
				System.arraycopy(src,  0 , ret,  0 , Array.getLength(src));
				System.arraycopy(add,  0 , ret, Array.getLength(src), Array.getLength(add));
			}
		} else {
			ret =  null ;
		}
		 return  ret;
	}