how to dislay only the last character of a string in java code example

Example 1: check last character of string java

String str = "India";
System.out.println("last char = " + str.charAt(str.length() - 1));

Example 2: last char in string java

public class Test {
    public static void main(String args[]) {
        String string = args[0];
        System.out.println("last character: " +
                           string.substring(string.length() - 1)); 
    }
}