Client-Server Chat > Java Socket Programming

Client-Server Chat > Java Socket Programming

Computer Networks

File: MyServer.java
import java.net.*;   
import java.io.*;   
class MyServer{  


public static void main(String args[])throws Exception{  
ServerSocket ss=new ServerSocket(3333); 
Socket s=ss.accept();  
DataInputStream din=new DataInputStream(s.getInputStream());   
DataOutputStream dout=new DataOutputStream(s.getOutputStream());  
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));     
String str="",str2="";  
while(!str.equals("stop")){   
str=din.readUTF();   
System.out.println("client says: "+str);  
str2=br.readLine();  
dout.writeUTF(str2);  
dout.flush();   
}   
din.close();   
s.close();  
ss.close();  
}
} 
File: MyClient.java

import java.net.*;
import java.io.*;
class MyClient{
public static void main(String args[])throws Exception{
Socket s=new Socket("localhost",3333);
DataInputStream din=new DataInputStream(s.getInputStream());
DataOutputStream dout=new DataOutputStream(s.getOutputStream());
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
  
String str="",str2="";
while(!str.equals("stop")){
str=br.readLine();
dout.writeUTF(str);
dout.flush();
str2=din.readUTF();
System.out.println("Server says: "+str2);
}
dout.close();
s.close();
}}

Output: