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

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

PrimeServer.java

import java.net.*;  

import java.io.*;  

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){  

   System.out.println(n+" is not prime number");      

  }else{  

   for(i=2;i<=m;i++){      

    if(n%i==0){      

     System.out.println(n+" is not prime number");      

     flag=1;      

     break;      

    }      

   }      

   if(flag==0)  { System.out.println(n+" is prime number"); }  

  }//end of else  

dout.flush();  

  din.close();  

s.close();  

ss.close();  

}

}

PrimeClient.java

import java.net.*;  

import java.io.*;  

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();  

}

} 

run

javac PrimeServer.java

javac PrimeClient.java

java PrimeServer

java PrimeClient

server here.. 

given no is: 55                                                        

55 is not prime number