java - How to retrieve contents from Map<String, Map<String,String>>? - 


map<string, map<string,string>> regmap = new hashmap<string, map<string,string>>();

how retrieve contents regmap? there data structure can store 3 related things ?

...or there data structure can store 3 related things?

just create own class.

public class foo {    private final bar thingone;   private final bar thingtwo;   private final bar thingthree;    // ...  }

you can store in collection if necessary.

note: don't take trivial example suggestion should name fields foo1, foo2 etc. give them meaningful names, such forename, surname, etc.


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