The Demo of the Service API

  1. package com.javabook.classloader.service.api;
  3. /**
  4.  * @author Summer Lu
  5.  * @email gmluyang@gmail.com
  6.  * @date 2014-8-25
  7.  *
  8.  */
  9. public interface ISimpleService {
  11.     /**
  12.      * @param expression
  13.      * @return
  14.      */
  15.     public String calculate(String expression);
  16. }