Example:-

public class MyStringExample {
    public static void main(String[] args) {

        String str = "facebook";

        char chars[] = str.toCharArray();

        int charPosition = chars.length - 1;

        System.out.println(chars[charPosition]);

    }
}

Output

 K

Description:- The given Example find out the last character of a string. We have a created a class named MyStringExample. In the main method, we have declared a string variable â??facebookâ??.now next step we will be used method â??int charPosition = chars.length â?? 1â??