Hexadecimal to BCD using Socket

Hexadecimal to BCD using Socket

Server Side:


import java.io.*;
import java.net.*;
import java.util.*;


class Server
{
 public static void main(String arr[]) throws Exception
 {
 ServerSocket ss=new ServerSocket(12345);
 System.out.println("Ready.. ");
 Socket s=ss.accept();
 System.out.println("Connection Established.. ");
 DataOutputStream dout=new DataOutputStream(s.getOutputStream());
 DataInputStream din=new DataInputStream(s.getInputStream());

 
 String str=din.readUTF();
 System.out.println("Received "+str);
 int index=-1,sum=0;
 int number=0;
 for(int i=str.length()-1;i>=0;i--)
  {
  index++;
  if(str.charAt(i)>='A')
   sum=(int) (str.charAt(i)-'A'+10);
  else
   sum=Integer.parseInt(""+str.charAt(i));
  number=(int )(Math.pow(16,index)*sum)+number;
  }
 System.out.println("Decimal "+number);
 str=""+number;
 String temp="";
 String fin="";
 index=-1;
 for(int i=str.length()-1;i>=0;i--)
  {
  temp="";
  int c=Integer.parseInt(""+str.charAt(i));
  while(index!=3)
   {
   index++;
   int t=c%2;
   temp=t+temp;
   c=c/2;
   }
  if(index==3)
   index=-1;
  fin=temp+fin;
  }
 System.out.println("BCD "+fin);
 dout.writeUTF(fin);
 dout.flush();
 din.close();
 dout.close();
 s.close();
 ss.close(); 
 }
}


Client Side:


import java.io.*;
import java.net.*;
import java.util.*;


class Client
{
 public static void main(String arr[]) throws Exception
 {
 Socket s=new Socket("localhost",12345);
 DataOutputStream dout=new DataOutputStream(s.getOutputStream());
 DataInputStream din=new DataInputStream(s.getInputStream());

 System.out.print("Enter the Hexadecimal number: ");
 Scanner sc=new Scanner(System.in);
 String str=sc.nextLine();

 dout.writeUTF(str);
 dout.flush();
 
 str=din.readUTF();
 System.out.println("Required BCD: "+str);
 din.close();
 dout.close();
 s.close(); 
 }
}



OUTPUT:

Server:
Z:\Network>javac Server.java

Z:\Network>java Server
Ready..
Connection Established..
Received 4C
Decimal 76
BCD 01110110


Client:

Z:\Network>java Client
Enter the Hexadecimal number: 4C
Required BCD: 01110110