Each requires a recursive method be used, either direct recursion or a recursive

Question

Each requires a recursive method be used, either direct recursion or a recursive helper.

12. (modified) isReverse for int's, returns a boolean, and pass int, int NOT STRING, and do NOT use the String Class.

13. (modified) indexOf for int's, returns effective starting index of the starting occurrence of the second int within the first int (or -1 if not found). So indexOf(123, 4912392) returns 2, just as the text version has indexOf("123", "4912392") returns 2, and indexOf(123, 0) returns -1 for not found. Do NOT use the String Class, solve using % and/or / and or Math Class methods.

Explanation / Answer

Please find the required functions below :

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