package rmi;

import java.rmi.Remote;

public interface Calculator extends Remote {
    public long add(long a, long b) throws java.rmi.RemoteException;

    public long sub(long a, long b) throws java.rmi.RemoteException;

    public long mul(long a, long b) throws java.rmi.RemoteException;

    public long div(long a, long b) throws java.rmi.RemoteException;
}