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BJP4 Exercise 3.9: lastDigit

Language/Type: Java method basics mod parameters
Author: Will Beebe (on 2016/09/08)

Write a method named lastDigit that returns the last digit of an integer. For example, lastDigit(3572) should return 2. It should work for negative numbers as well. For example, lastDigit(-947) should return 7.

Call Value Returned
lastDigit(3572) 2
lastDigit(-947) 7
lastDigit(6) 6
lastDigit(35) 5
lastDigit(123456) 6

(Hint: This is a short method. You may not use a String to solve this problem.)

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This is a method problem. Write a Java method as described. Do not write a complete program or class; just the method(s) above.

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