How To Make A Group Chat APP Using JAVA.
2 min readSep 7, 2021
Hi guys, I’m OM BHUSAL from CodeWithNepal.com, and in this blog, I’m going to show you How To Make a Group Chat APP Using JAVA. Now after reading this blog, you will be able to make Group Chatting APP like this, by using Java. So, don’t miss this blog out and read it till the end, to learn how to do it.
In this blog, a group chat application using MulticastSocket (Java Platform SE 16) class is discussed. A MulticastSocket is a (UDP) DatagramSocket, with additional capabilities for joining “groups” of other multicast hosts on the internet.
Full Code is available in Code With Nepal
Save the file as GroupChat.java and compile it using javac and then run the program using two command-line arguments as specified. A multicast host is specified by a class D IP address and by a standard UDP port number. Class D IP addresses are in the range 224.0.0.0 to 239.255.255.255, inclusive. The address 224.0.0.0 is reserved and should not be used.
Here is a sample output of the above program:
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User 1
User 2
Final Output of GroupChat.java.
