📄 calculatorimpl.java
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import java.rmi.server.UnicastRemoteObject;
public class CalculatorImpl extends UnicastRemoteObject implements Calculator
{
public CalculatorImpl() throws java.rmi.RemoteException
{ super(); }
public long add(long a, long b) throws java.rmi.RemoteException
{ return a + b; }
public long sub(long a, long b) throws java.rmi.RemoteException
{ return a - b; }
public long mul(long a, long b) throws java.rmi.RemoteException
{ return a * b; }
public long div(long a, long b) throws java.rmi.RemoteException
{ return a / b; }
}
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