import java.rmi.Naming;

public class CalculatorServer {

public CalculatorServer() {
try {
Calculator c = new CalculatorImpl();
Naming.rebind("rmi://localhost/CalculatorService", c);
} catch (Exception e) {
System.out.println("Trouble: " + e);
}
}

public static void main(String args[]) {
new CalculatorServer();
}
}