Write a java program that implements a simple/client application. That client sends data to a server. The server receives the data, Uses it to produce a result, and then sends the result back to the client. The client displays the result on the console. For ex: The data sent from the client is the radius of a circle, and the result produced by the server is the area of the circle(Use java.net)

//Program for implementing Server/Client Application

// Server Program

import java.io.*;

import java.net.*;

class Server

{

public static void main(String args[])

{

try

{

ServerSocket ss=new ServerSocket(1064);

System.out.println(“Waiting for Client Request”);

Socket s=ss.accept();

BufferedReader br;

PrintStream ps;

String str;

br=new BufferedReader(new InputStreamReader(s.getInputStream()));

str=br.readLine();

System.out.println(“Received radius”);

double r=Double.parseDouble(str);

double area=3.14*r*r;

ps=new PrintStream(s.getOutputStream());

ps.println(String.valueOf(area));

br.close();

ps.close();

s.close();

ss.close();

}

catch(Exception e)

{

System.out.println(e);

}

Output:

Waiting for Client Request

Received radius

//Client Program

import java.io.*;

import java.net.*;

class Client

{

public static void main(String args[])throws IOException

{

Socket s=new Socket(InetAddress.getLocalHost(),1064);

BufferedReader br;

PrintStream ps;

String str;

System.out.println(“Enter Radius :”);

br=new BufferedReader(new InputStreamReader(System.in));

ps=new PrintStream(s.getOutputStream());

ps.println(br.readLine());

br=new BufferedReader(new InputStreamReader(s.getInputStream()));

str=br.readLine();

System.out.println(“Area of the circle is : “+str);

br.close();

ps.close();

}

Output:

Enter Radius :

Area of the circle is : 254.34

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