https://github.com/tawfik-s/socket-programming-java

socket programming with java playground
https://github.com/tawfik-s/socket-programming-java

java java-networking tcp-socket udp-socket

Last synced: 3 months ago
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socket programming with java playground

• Host: GitHub
• URL: https://github.com/tawfik-s/socket-programming-java
• Owner: tawfik-s
• Created: 2023-02-27T08:21:01.000Z (over 2 years ago)
• Default Branch: main
• Last Pushed: 2023-04-15T09:17:18.000Z (about 2 years ago)
• Last Synced: 2024-11-19T17:58:59.565Z (7 months ago)
• Topics: java, java-networking, tcp-socket, udp-socket
• Language: Java
• Homepage:
• Size: 33.2 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# socket-programming-java

socket programming with java playground

## what is socket?

Sockets provide an interface for programming networks at the transport layer

Network communication using Sockets is very much similar to performing file I/O

In fact, socket handle is treated like file handle.

The data streams used in file I/O operation are also applicable to socket-based I/O

Socket-based communication is programming language independent.

This means, a socket program written in Java language can also communicate to a program written in Java or non-Java socket program

Socket  = IP address + Port number

## How socket works?

A server program runs on a specific computer and has a socket

that is bound to a specific port. The software

server waits and listens to the socket for a

client program to make a connection request.

![img.png](images/img.png)

If everything goes well, the server accepts the connection.

Upon acceptance, the server gets a new socket bounds

to a different port. 

It needs a new socket (consequently a different port number) so that it can continue to listen to the original socket

for other connection requests while serving the

connected client.

![img_1.png](images/img_1.png)

Java’s .net package provides two classes:

- `Socket` for implementing a client

- `ServerSocket` – for implementing a server