Review the following

CLASS I (Partical)

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public String climateDataOut[];

try

you need to change your climaticData method to return String[] instead of void. Add return(climateDataOut); at the end of the method and then change your calling class to catch the String[].

Wild Guess: Maybe those routines are disabled in your php.ini file.

You don't want to try to open the drive files. To open the virtual pc you want to click the icon with just the name of the virtual pc you want to use. In $HOME/Documents I have a folder called...

another thing ... quick paste into eclipse and it suggests that you cast "this" with (ActionListener) and (ItemListener) .... Also I think you may have meant addItemListener on the second food.add*...

First thing I see is that you missed semicolons on the following lines:

order.addActionListener(this)
food.addActionListener(this)