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dsawyer@methacton.org arrays_level_2 > exactly33s
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Returns true if the array contains exactly three threes.


exactly33s([3, 4, 5, 3, 3]) → true
exactly33s([33, 3]) → false
exactly33s([0, -3, 3, 3]) → false

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public boolean exactly33s( int [] a ){ }

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