what is wrong with this code it gives error

Question

can anyone tell me that what is wrong with this code it returns the error of syntax error. can anyone fix it ?

dos.writeBytes(twoHyphens + boundary + lineEn         


        

Answer 1

 dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";\"filename=\""+ fileName + "\"" + lineEnd);

double qoutes are not used within double qoutes, you need to put "\" (backslash)