package com.young.service;

/**
 * Created with IntelliJ IDEA.
 * User: veryyoung
 * Email:codingyoung@gmail.com
 * Date: 13-12-1
 * Time: 下午3:49
 * To change this template use File | Settings | File Templates.
 */
public interface CalculatorService {
    public int add(int a,int b);
    public int sub(int a,int b);
    public int mul(int a,int b);
    public int div(int a,int b);
}