Java RMI
Java Remote Method Invocation: A Comprehensive Overview
Java RMI
Java Remote Method Invocation (RMI) is a Java API that enables remote communication between Java programs, allowing methods to be called on objects located in different Java Virtual Machines (JVMs), possibly on different machines across a network. RMI simplifies the process of building distributed applications by allowing developers to invoke methods on remote objects as if they were local. It handles the complexities of network communication, including data serialization and deserialization, and provides a simple interface to bind remote objects to names in a registry, facilitating easy access. RMI is built on top of the Java networking and provides features such as object serialization, dynamic class loading, and support for both synchronous and asynchronous method calls, making it a powerful tool for creating distributed systems in Java.
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1 - Introduction to Java RMI: Java RMI is a Java application programming interface that allows invoking methods on an object located in another Java Virtual Machine (JVM). It provides a way for developers to create distributed Java applications.
2) Architecture of RMI: Understand the basic architecture of RMI, which consists of three main components: the RMI registry, the client, and the server. The registry acts as a naming service for remote objects.
3) Remote Interfaces: Learn about remote interfaces which define the methods that can be called remotely. These interfaces must extend `java.rmi.Remote` and declare that they can throw a `java.rmi.RemoteException`.
4) Implementing Remote Objects: Discover how to implement the remote interfaces to create remote objects that provide the functional methods that clients will access.
5) RMI Registry: Explore the RMI Registry which registers remote objects and allows clients to look up these objects by name using `Naming.lookup()`.
6) Stub and Skeleton: Understand the concept of stubs and skeletons. Stubs are client side representations of remote objects and handle communication, while skeletons are server side components that forward client calls to the actual remote object.
7) RMI Communication: Dive into how RMI uses Java's object serialization to send and receive data over the network, enabling remote invocations to work seamlessly as if they were local calls.
8) Creating a Simple RMI Application: Learn through hands on experience by building a basic RMI application from scratch, setting up a server and a client that communicate remotely.
9) Exception Handling in RMI: Understand how to handle exceptions in RMI, particularly `RemoteException`, and explore techniques for robust error handling in distributed applications.
10) Security Policies in RMI: Familiarize with the security model of RMI which helps to define what the server and client can do. This includes understanding Java policy files and security managers.
11) RMI Over IIOP: Discover the option of using RMI over Internet Inter ORB Protocol (IIOP), which allows RMI to interoperate with CORBA objects.
12) Performance Considerations: Analyze performance issues in RMI applications, including network latency, serialization overhead, and best practices for optimizing remote calls.
13) RMI vs Other Remote Technologies: Compare and contrast RMI with other remote communication technologies such as CORBA, web services, and sockets, highlighting its advantages and limitations.
14) Use Cases of RMI: Explore real world use cases of Java RMI in enterprise applications, where distributed computing is essential.
15) Advanced RMI Features: Learn about advanced features of RMI like callback mechanisms, multi threading support, and the use of dynamic class loading to manage remote object references effectively.
16) Troubleshooting RMI Applications: Gain insights into common issues encountered when developing RMI applications, along with strategies for debugging and resolving them.
17) Hands on Projects: Engage in hands on projects that require designing, implementing, and deploying RMI based applications, enabling students to apply their knowledge practically.
This training program offers comprehensive insights into Java RMI, equipping students with the knowledge and skills necessary to develop distributed applications using Java technology.
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