package compute;

import java.rmi.Remote;
import java.rmi.RemoteException;

public interface Compute extends Remote {
    <T> T executeTask(Task<T> t) throws RemoteException;
}
hellues@debian:~/Java-RMI$ javac Compute.java 
Compute.java:7: cannot find symbol
symbol  : class Task
location: interface compute.Compute
    <T> T executeTask(Task<T> t) throws RemoteException;
                      ^
1 error