A Java-based LAN messaging application that enables real-time communication between a server and a client over a local network using TCP socket programming.

java-lan-messaging/
├── src/
│ └── messaging/
│ ├── Client.java
│ ├── Server.java
│ ├── Connection.java
│ ├── LANConnection.java
│ ├── Message.java
│ └── Main.java
│
├── .gitignore
└── README.md

• Real-time messaging over LAN (Wi-Fi or Ethernet)
• Client–server architecture
• TCP socket communication
• Multithreaded message receiving
• Serializable message objects
• Command-line interface

• Java Socket Programming
• TCP/IP Networking
• Client–Server Model
• Multithreading
• Object-Oriented Programming

javac src/messaging/*.java

java -cp src messaging.Main server

java -cp src messaging.Main

• Developed a socket-based LAN messaging system using Java
• Implemented client–server communication using TCP sockets
• Used multithreading for concurrent message handling

• Multi-client support
• GUI using JavaFX/Swing
• Message encryption
• File transfer support

Developed as a Java networking project to understand socket programming and client–server architecture.