Client.java

    import java.net.*; 
    import java.io.*;  
    class Client{  
    public static void main(String args[])throws Exception{  
    Socket s=new Socket("localhost",3333); 
    System.out.println("Connected to Server");
    System.out.println("Start Chat now"); 
    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();  
    }}