How to map string to number in java? -


given text string "apple", want obtain number. every time apple same number. how can done in java?

thank you.

edit: well, think didn't explain myself well. mean existing java function implements map this. example of function be: a->1, b->2, c->3,...

apple -> 11616125

this maps for. 

map<string, integer> lookup = new hashmap<string, integer>(); lookup.put("apple", 1); lookup.get("apple"); // returns 1

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