Return the last digit of a number

Question

public static int lastDigit(int a) {
 a = a % 10;
 if (a <= 0){
 a *= -1;
 }
 return a;
}

This is my solution. The course hasn't taught if else yet, so I'm wondering if there is a way to do it without the if else.

public static int lastDigit(int a) {
a = a % 10;
return a;
}

The problem with this is that it will not print the last digit of a negative number as a positive.

Answer 1

Use Math.abs()

 public static int lastDigit(int x) {
 return Math.abs(x % 10);
 }

• user85459: Well I feel somewhat stupid. Thanks though
• h.j.k.: Figured courses should be teaching if-else before static methods invocation... oh wells.
• user85459: I make all methods static just to avoid problems.