Today, I have a requiment that I must remove the duplicated value in a String array. I do some serach in google, find one interesting solution - HashSet, which only save the unique value.Today, I have a requiment that I must remove th
Today, I have a requiment that I must remove the duplicated value in a String array. I do some serach in google, find one interesting solution - HashSet, which only save the unique value.Today, I have a requiment that I must remove th