java - j2me problem with using network objects -

i trying use j2me's io package whenever try create object example

datainputstream = null; 

it shows me error stating

datainputstream cannot resolved type

i tried using inputstream object same error shows , when use connector objects doesn't show error

i using s60 v3 fp2 sdk

please me. thanks!

make sure import datainputstream.

import java.io.datainputstream; 

if you're using , ide should tell before try compile can't find datainputstream, , ide give option resolve import you.