What does the following Java code output?

import java.util.HashMap;
import java.util.Map;
public class Main {
    public static void main(String[] args) {
        Map<String, Integer> wordCount = new HashMap<>();
        wordCount.put("Hello", 1);
        wordCount.put("Hello", wordCount.get("Hello") + 1);
        System.out.println(wordCount.get("Hello"));
    }
}