string - Java - Most efficient structure for quick retrieval -


i have simple problem: need check if large (150k) list of strings contains string. order not matter, , need check if list contains string. efficient data structure use?

look @ set (hashset, enumset) , hash (hashmap,linkedhash...,idnetityhash..) based implementations, have speed complexity of o(1) contains() method.

this great link use


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