java add values of same elements in ArrayList -
my first arraylist
contains 3 values in each row:
191601, salt lake city, 7 191601, omaha, 8 191601, new york, 413 191601, salt lake city, 8 191601, omaha, 18
my second arraylist
contains 2 values in each row , numbers of dublicated cities added. should this:
salt lake city, 15 omaha, 26 new york, 413
my code kinda messy. if needed can copy , paste part of it.
note: have searched on internet, non of them has solved problem.
wiki
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