CodingBat findFirstAorB

findFirstAorB

Returns the index of the first letter "a" or the first letter "b" in the String parameter (also called an argument), whichever comes first. Returns -1 if the String parameter does not contain the letter "a" or "b." Note that the String parameter is all lower case.

findFirstAorB("criteria") → 7
findFirstAorB("proverb") → 6
findFirstAorB("publication") → 2

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