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pais@kinetigram.com strings01 > S110_countHi
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APCS String 1, Problem 10. Return the number of times that the string "hi" appears anywhere in the given string.


S110_countHi("abc hi ho") → 1
S110_countHi("ABChi hi") → 2
S110_countHi("hihi") → 2

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public int S110_countHi(String str) { }

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