3 depth Hashmap

Hi folks, I'm in need to create a HashMap within a HashMap within a HashMap, but I'm finding it hard to implement. I'm new at Java so this is alittle bit beyond what I did on the practical side, so any help would be much appreciated. I read a ton of tutorials, but couldn't make it work, so an example with code would be great!

I need to compare an input word with the first hashmap and give a response, but the second input should only check within the second HashMap depth taking into account the first response and the third one should be like wise...

The idea is to have (keyword, values) like: (windows, "What is the version you use?"), so that the second answer would be within the windows hashMap (windows8, "32 or 64 bits?") and the third one would only go into the windows8 HashMap.

Is this the best way to implement this?

Any help would be much appreciated.
Cheers!
Rodric MacOliverResearcherAsked:
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dpearsonCommented:
You can put certainly put maps inside other maps.

I find it's much easier to read if you declare little dummy classes like this:
      public static class FinalMap extends HashMap<String, String> {}

and then you can just use 'FinalMap' instead of HashMap<String, String> which gets confusing once you have more maps as the parameters.

Using this you can setup something like this:

public class TestMaps {
	public static class FinalMap extends HashMap<String, String> {}
	public static class WindowsMap extends HashMap<String, FinalMap> {}
	public static class VersionMap extends HashMap<String, WindowsMap> {}

	public static void main(String[] args) {
		FinalMap windows32bitMap = new FinalMap() ;
		WindowsMap windows8Map = new WindowsMap() ;
		VersionMap topMap = new VersionMap() ;

		windows32bitMap.put("question", "answer") ;
		windows8Map.put("32", windows32bitMap) ;
		topMap.put("windows8", windows8Map) ;
	}
}

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Does that meet your needs?

Doug

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