Distributed Computing in Java 9

RMI for distributed computing

Remote objects are similar to local objects when it comes to method invocation and returning results from methods. A remote object can be typecasted to any of the remote interfaces supported by its implementation, and the instanceof operator can be used to verify the type of remote or local object.

Although the aforementioned similarities exist between remote and local objects, they behave differently. While the clients of remote objects can only interact with remote interfaces, not with implementation classes, the clients of local objects can interact with both the interfaces and implementation classes. RMI is passed by a value, whereas a local method invocation can be passed by a reference. In this context, ...