to include a new class in java

Hi , Iam working with jdk1.4.01. to download a specific portion of a file i am need of HTTPClientconnection, HttpClientresponse and nvpairs class. I have downloaded the HTTPClient.zip file from the internet. when i unzip it i couldfind all those files. How to include these files in to my existing java 1.4.01.give me a detailed steps to do it.

[351 byte] By [prabhu_gcsea] at [2007-10-1 5:11:38]