What is socket programming in Java?
Java Socket programming is used for communication between the applications running on different JRE. Java Socket programming can be connection-oriented or connection-less. Socket and ServerSocket classes are used for connection-oriented socket programming and DatagramSocket and DatagramPacket classes are used for connection-less socket programming.
What is the use of serversocket class in Java?
The ServerSocket class can be used to create a server socket. This object is used to establish communication with the clients. returns the socket and establish a connection between server and client. closes the server socket.
What ports does Java use for sockets?
Recall that ports from 49152 to 65535 can be used for anything you want, so we’ll be using these. Java’s abstraction over the socket API is to use a ServerSocket object that automatically listens, then creates a different socket on accept. Java sockets have input streams and output streams built in, which makes programming rather pleasant.
How to connect to another machine using socket in Java?
To connect to other machine we need a socket connection. A socket connection means the two machines have information about each other’s network location (IP Address) and TCP port.The java.net.Socket class represents a Socket. To open a socket: