DIgit Reverser

USING JAVA: Write a method, reverseDigit, that takes an integer as a parameter and returns the number with its digits reversed. For example, the value of reverseDigit(12345) is 54321. Also, write a program to test your method. Another example: Enter an integer: 123 123 with digits reversed = 321 leading zeros if any are not shown ALSO NEEDS TO WORK WITH NEGATIVE INTEGER AS FOLLOWS: Enter an integer: -123 -321 with digits reversed = -123 leading zeros if any are not shown