Java Language. Please make sure it compiles thanks

Write a method oddDigits that accepts an integer parameter n and that returns the integer formed by removing the even digits from n If there are no odd digit in the n, then return 1. The following table shows several calls and their expected return values: Call oddDigits(20) oddDigits (203) oddDigits (139201) Returned Value 3 1391 method header: public int oddDigits(int n)