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What is a remote interface in java?
A Remote interface is available in the java.rmi package it is a marking/tagging interface, it is used with remote method invocation(RMI).
RMI is a mechanism that allows an object residing in one system (JVM) to access/invoke an object running on another JVM.
To it is a marking interface, to mark an object of a class remote, you need to implement this interface.
To create a remote interface −
Create an interface that extends the predefined interface Remote which belongs to the package or, implement the Remote interface with the class, which you need to make remote.
Declare all the business methods that can be invoked by the client in this interface.
Since there is a chance of network issues during remote calls, an exception named RemoteException may occur; throw it.
Example
import java.rmi.Remote;
import java.rmi.RemoteException;
// Creating Remote class for our application
public class RemoteExample implements Remote {
}
Or,
import java.rmi.Remote;
import java.rmi.RemoteException;
// Creating Remote interface for our application
public interface Hello extends Remote {
void printMsg() throws RemoteException;
}
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