Java Networking

introduction to java network

java Network main basics

The introduction for URL

Creating Url

Chat Client Networking

Chat Server Networking

Factory Method

Introduction to Socket

Reading For Writing into Socket

Methods of Socket Class

Socket Programming of Server Side

Socket Programming of Client Side

Introduction to Datagram

.A Program that prints the Address of

Construct to Datagram Packets to receive data

Construct to Datagram Packets to send data

Datagram Socket

Download Object

Downloadweb page

height and width of Image

IPAddress

Local Machinehost NAme

Looked for localport

Multicast Constructor

Multicast Constructor on a port

MyAddress

playsound

To create the Image view

Url requester

net Objective Questions And Answers

net Subjective Questions And Answers

net Interview Questions And Answers

Java FAQS

Networking is provide communication between computer systems or devices and provide ability to exchange data between them. The java.net package provides an object-oriented framework for the creation and use of Internet Protocol (IP) sockets

The Java Networking API (java.net package) provides the interfaces/classes for the following functions:

It is represent the IP address, which is either a 32- or 128-bit unsigned number used by IP. Package java.net provides the following addressing-related classes

• InetAddress
• Inet4Address
• Inet6Address
• SocketAddress
• InetSocketAddress

TCP (Transmission Control Protocol) is a connection-based protocol that provides a reliable flow of data between two computers

These classes are related to making normal TCP connections

• ServerSocket
• Socket

UDP (User Datagram Protocol) is a protocol that sends independent packets of data, called datagrams, from one computer to another with no guarantees about arrival.

UDP is not connection-based like TCP so many firewalls and routers have been configured not to allow UDP packets.The following are related to sending and receiving datagram packets via UDP.

• DatagramPacket
• DatagramSocket

These classes are related to locating or identifying network resources.

• URI
• URLClassLoader
• URLConnection
• URLStreamHandler
• HttpURLConnection
• JarURLConnection

Authentication:

Authentication of a user may be required in a number of situations, such as when a user tries to access a URL

• Authenticator: The abstract class Authenticator has methods for authenticating a network connection.
• PasswordAuthentication: PasswordAuthentication is simply a data holder for a user name and a password

Permissions:

Permissions relate to what actions may be performed.

• SocketPermission: A SocketPermission consists of a host, with optional port range, and a set of actions that may be performed on that host connect, accept, listen and/or resolve
• NetPermission: NetPermission is a class for various named network permission

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