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Given a string, return the count of the number of times that a substring length 2 appears in the string and also as the last 2 chars of the string, so "hixxxhi" yields 1 (we won't count the end substring). last2("hixxhi") → 1 last2("xaxxaxaxx") → 1 last2("axxxaaxx") → 2 Go...Save, Compile, Run (ctrl-enter)Show Solution public int last2(String str) { } Go Editor font size %:75100125150 Shorter output

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