Question: In Java write a recursive method called doubleDigits that accepts an integer n as a parameter and returns the integer obtained by replacing every digit

In Java write a recursive method called doubleDigits that accepts an integer n as a parameter and returns the integer obtained by replacing every digit of n with two of that digit. For example, doubleDigits(348) should return 334488. The call doubleDigits(0) should return 0. Calling doubleDigits on a negative number should return the negation of calling doubleDigits on the corresponding positive number; for example, doubleDigits(789) should return 778899.

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