How to send data by UDP in java

This article introduces the relevant knowledge of "how to send data in UDP in java". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Sending steps

Create a Socket object (DatagramSocket) on the sending side

Create data and package it

Call the method of the DatagramSocket object to send data

Close the sender

2. Examples

Import java.net.*;import java.io.*; class Send {public static void main (String [] args) throws Exception {DatagramSocket ds = new DatagramSocket (); / / create the udp service BufferedReader bufr = new BufferedReader (new InputStreamReader (System.in)) through the DatagramSocket object; / / enter the text String line= null;while ((line=bufr.readLine ())! = null) from the keyboard / / exit the program break when the input is not empty {if ("byebye" .equals (line)) / / when the input is byebye / / after the data is determined, the data is encapsulated into a packet byte [] buf = line.getBytes (); DatagramPacket dp = new DatagramPacket (buf,buf.length,InetAddress.getByName ("10.32.0.23"), 30000); / / sent to the specified IP, designated port ds.send (dp); / / the packet is sent out} ds.close () through the send method / / close Resources}} "how to send data in UDP in java" ends here. Thank you for your reading. If you want to know more about the industry, you can follow the website, the editor will output more high-quality practical articles for you!