package main;


import java.io.DataInputStream;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;

public class JavaServerSocketApplication {
 public JavaServerSocketApplication() {
 super();
 }
 
 public JavaServerSocketApplication(int port) {
 super();
 try {
 JavaServerSocket = new ServerSocket(port);
 JavaClientScoket = JavaServerSocket.accept();
 JavaDataInputStream = new DataInputStream(JavaClientScoket.getInputStream());
 } catch (IOException e) {
 e.printStackTrace();
 }
 }

 public int readByteArray(byte[] ByteArray) {
 try {
 return JavaDataInputStream.read(ByteArray);
 } catch (IOException e) {
 e.printStackTrace();
 }
 return 0;
 }
 
 public String ByteArrayToHexString(byte[] ByteArray, int Size){
 StringBuilder HexStringBuilder = new StringBuilder(Size*4);
 for(int i = 0; i < Size; ++i){
 HexStringBuilder.append(Character.forDigit((ByteArray[i] & 0xF0) >> 4, 16));
 HexStringBuilder.append(Character.forDigit((ByteArray[i] & 0x0F) >> 0, 16));
 HexStringBuilder.append(" ");
 }
 return HexStringBuilder.toString().toUpperCase();
 }

 private DataInputStream JavaDataInputStream = null;
 private ServerSocket JavaServerSocket = null;
 private Socket JavaClientScoket = null;

 public static void main(String[] args) {
 JavaServerSocketApplication JavaSocketApplication = new JavaServerSocketApplication(8700);
 byte[] ByteArray = new byte[2048];
 int ArraySzie = JavaSocketApplication.readByteArray(ByteArray);
 StringBuilder HexStringBuilder = new StringBuilder(2048);
 HexStringBuilder.append(ByteArray[0]);
 HexStringBuilder.append(ByteArray[1]);
 
 System.out.println(JavaSocketApplication.ByteArrayToHexString(ByteArray, ArraySzie));
 String DebugString = "";
 System.out.println(Integer.parseInt(DebugString.toString())); 
 }
}