java rmi tutorialspoint

java rmi (remote method invocation) allows the invocation of methods that reside in a different java virtual machine (jvm). this is useful for building distributed applications where components can communicate with each other over a network.

### overview of java rmi

1. **architecture**:
- **client**: the application that invokes methods on a remote object.
- **server**: the application that provides the remote object.
- **registry**: a service that allows clients to look up remote objects by name.

2. **key components**:
- **remote interface**: defines the methods that can be called remotely.
- **remote object**: implements the remote interface.
- **stub**: a proxy that represents the remote object on the client-side.
- **skeleton**: an older component that used to handle incoming calls on the server-side (not used in java rmi since java 2).

### steps to create a java rmi application

1. **define a remote interface**:

2. **implement the remote interface**:
create a class that implements the remote interface.

3. **create the server**:
register the remote object with the rmi registry.

4. **create the client**:
look up the remote object in the rmi registry and invoke methods on it.

5. **compile and run**:
compile all the classes and run the server and client.

### example: simple rmi application

#### step 1: define a remote interface

#### step 2: implement the remote interface

#### step 3: create the server

#### step 4: create the client

### step 5: compile and run

1. **compile the code**:


2. **start the rmi registry** (from the command line):


3. **run the server**:


4. **run the client** (in a separate terminal):


### conclusion

this is a basic tutorial on creating a java rmi application. you can extend this example by adding more methods, handling exceptions more gracefully, and exploring secu ...

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