overridde system function

From: nos (nos_at_nospam.com)
Date: 12/27/03 

Date: Sat, 27 Dec 2003 06:01:21 GMT

Just curious about how I would specify
the location of a system file like this one

public static String getenv(String name) {}

if I wanted to override it in my file
C:\eclipse\workspace\newdraw\MyClass.java