What is the output of the following Java program?import java.util.*; public class Main { public static void main(String[] args) { TreeMap m…

What is the output of the following Java program?

import java.util.*;
public class Main {
    public static void main(String[] args) {
        TreeMap<String, Integer> m = new TreeMap<>();
        m.put("c", 5);
        m.put("a", 1);
        m.put("b", 2);
        m.put("a", 9);
        System.out.println(m.firstKey() + m.lastEntry().getValue() + m.size());
    }
}