What is the output of the following Java program?public class Main { public static void main(String[] args) { StringBuilder sb = new String…

What is the output of the following Java program?

public class Main {
    public static void main(String[] args) {
        StringBuilder sb = new StringBuilder("ab");
        sb.append("c").reverse();
        sb.insert(1, "X");
        System.out.println(sb);
    }
}