java - how to initialize hashmap on class level without using static block -

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i want initialize 1 hashmap, don't want use constructor way, neither want initialize in static block. can please tell me how that? 

public classname() {     idtoskillres = new hashmap(); }

i don't want use in these way

you can declare instance member on top , initialise right away.

map<type,type> idtoskillres = new hashmap<type,type>();  public classname() {  }

that not constructor, neither static block.


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