import sun.misc.BASE64Decoder;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;

/**
 * Created by Гость1111 on 23.03.2017.
 */

class encode {
    public static void encode() throws IOException {

        FileInputStream inputStream = new FileInputStream(new File("C:\\Users\\Гость1111\\IdeaProjects\\test1\\src\\enc"));
        BASE64Decoder decoder = new BASE64Decoder();
        byte[] arr = decoder.decodeBuffer(inputStream);

        FileOutputStream outputStream = new FileOutputStream(new File("decode.jpg"));
        outputStream.write(arr, 0, arr.length);
        inputStream.close();
        outputStream.close();

    }
}