[JAVA] READ HEX from File

import java.io.FileInputStream;

import java.io.IOException;

public class HexFileReader {

    public static byte[] readFileBytes(String filePath) throws IOException {

        FileInputStream fis = new FileInputStream(filePath);

        byte[] fileBytes = fis.readAllBytes();

        fis.close();

        return fileBytes;

    }

    public static String bytesToHex(byte[] bytes) {

      StringBuilder hexString = new StringBuilder();

      for (byte b : bytes) {

          hexString.append(String.format("%02x", b & 0xFF));

      }

      return hexString.toString();

    }

    public static void main(String[] args) {

        String filePath = "path/to/your/file.txt"; // Replace with your file path

        try {

            byte[] fileBytes = readFileBytes(filePath);

            String hexString = bytesToHex(fileBytes);

            System.out.println("Hexadecimal representation:\n" + hexString);

        } catch (IOException e) {

            System.err.println("Error reading file: " + e.getMessage());

        }

    }

}