How do you use the Java RPC framework?

Some common RPC frameworks used in Java include Dubbo, gRPC, and Thrift. They have similar usage methods, generally including the following steps:

1. Define interface: First, it is necessary to define the interface, including its methods and parameters.
2. Implement the interface: Implement the defined interface and handle the methods defined in the interface.
3. Set up service provider: Configure the service provider’s information, including IP address, port, etc.
4. Start service provider: Launch service provider, publish interface.
5. Configure service consumers: Configure information for service consumers, including the address of the service provider.
6. Obtain a service proxy object: Retrieve the service proxy object through the corresponding utility class.
7. Invoke remote service: Call the remote service using a service proxy object.

The above is a general usage guide for the RPC framework, specific details may vary and can be further understood and utilized by referring to the specific framework documentation.