How do I get the last character of a string?

Question

How do I get the last character of a string?

public class Main {
    public static void main(String[] args)  {
        String s = "test string";
            


        

Answer 1

 public char lastChar(String s) {
     if (s == "" || s == null)
        return ' ';
    char lc = s.charAt(s.length() - 1);
    return lc;
}