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Editorial Team
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Asked: 2026-05-26T23:44:36+00:00

I have HashMap like: static HashMap<String,ArrayList<Media>> mediaListWithCategory=new HashMap<String,ArrayList<Media>>(); I have value like: January: -Sunday

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I have HashMap like: 

static HashMap<String,ArrayList<Media>> mediaListWithCategory=new HashMap<String,ArrayList<Media>>();

I have value like:

January:
   -Sunday
   -Monday
Februsry:
   -Saturday
   -Sunday
   -Thursday
March:
   -Monday
   -Tuesday
   -Wednesday

How can I statically assign these values when defining the hash map?

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1 Answer

  1. Editorial Team

    You can populate it in a static block:

    static {
   map.put("January", Arrays.asList(new Media("Sunday"), new Media("Monday")));
}

    (You should prefer interface to concrete classes. define your type as Map<String, List<Media>>)

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