Ejemplo proyecto Java

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Arrays;

class Main {
    //Guardar
  public static void main(String[] args) {
    byte data[] = {1,1,1,0,0,0,1,0,0,0,1,1,1,1,1,0,0,0,0,1,0,1,0,0,1,0,0,1,0,0,0,1,00,0,0,1,0,1,0,1,1,1,1,0,0,1,1,1,0,1,1,1,1,0,0,1};
        System.out.println(Arrays.toString(data));


        try {
            FileOutputStream fos = new FileOutputStream("salida.bin");
            fos.write(data);
            fos.close();
        }
        catch(IOException e) {
            e.getStackTrace();
        }

        //Leer
        try{
            File fin = new File("salida.bin");
            FileInputStream finstream = new FileInputStream(fin);
            byte[] dataIn = new byte[(int) fin.length()];
            finstream.read(dataIn);
            finstream.close();
            System.out.println(Arrays.toString(dataIn));

        }
        catch(IOException e) {
            e.getStackTrace();
        }
  }
}