Write a socket program in Java to check whether given number is prime or not. Display result on client terminal

DOWNLOAD        PrimeServer         PrimeClient

 /**

 * STEPS TO RUN THE CODE
 * 1. COMPILE SERVER AND CLIENT
 * 2. FIRST RUN SERVER FILE
 * 3. SECOND RUN CLIENT FILE
 * 4. GIVE A NUMBER FROM CLIENT CMD
 */

/**
 * SAVE AS PrimeServer.java
 */

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.ServerSocket;
import java.net.Socket;

/**
 * Created by : Amar Ghugare
 * created on : 20-05-2022 18:35
 * Purpose of class : server to attend client request
 */
public class PrimeServer {
    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));
        System.out.println("server here..");
        String str="",str2="";
        str=din.readUTF();
        int n=Integer.parseInt(str);
        System.out.println("given no is: "+n);
        int i,m=0,flag=0;
        m=n/2;
        if(n==0||n==1){
            dout.writeUTF(n+" is not prime number");
            System.out.println(n+" is not prime number");
        }else{
            for(i=2;i<=m;i++){
                if(n%i==0){
                    dout.writeUTF(n+" is not prime number");
                    System.out.println(n+" is not prime number");
                    flag=1;
                    break;
                }
            }
            dout.writeUTF(n+" is prime number");
            if(flag==0)  { System.out.println(n+" is prime number"); }
        }//end of else
        dout.flush();
        din.close();
        s.close();
        ss.close();
    }
}

/**
 * SAVE AS PrimeClient.java
 */

import java.io.BufferedReader;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.Socket;

/**
 * Created by : Amar Ghugare
 * created on : 20-05-2022 18:34
 * Purpose of class : to give a number to server
 */
public class PrimeClient {
    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));
        System.out.println("enter any number");
        String str = "", str2 = "";
        str = br.readLine();
        dout.writeUTF(str);
        dout.flush();
        str2 = din.readUTF();
        System.out.println(str2);
        dout.close();
        s.close();
    }
}