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zbaharav@kehillah.org 21-warmup-whileloops > xyzThere
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Return true if the given string contains an appearance of "xyz" where the xyz is not directly preceeded by a period (.). So "xxyz" counts but "x.xyz" does not.


xyzThere("abcxyz") → true
xyzThere("abc.xyz") → false
xyzThere("xyz.abc") → true

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public boolean xyzThere(String str) { }

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