abraskin@mbusd.org 2016_practice_set_4 > primeDigits
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Given a positive integer, return a number with only the prime digits in the same relative order they are found in the parameter. Return -1 if there are no prime digits. primeDigits(1234) → 23 primeDigits(1) → -1 primeDigits(2) → 2 Go...Save, Compile, Run (ctrl-enter)Show Hint public int primeDigits(int num) { } Go Editor font size %:75100125150 Shorter output

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