calculator.java

a Calculator java program using 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; 
}