What does the following Java code output?

import java.util.TreeMap;
import java.util.Map;
public class Main {
    public static void main(String[] args) {
        Map<Integer, String> rankings = new TreeMap<>();
        rankings.put(2, "Silver");
        rankings.put(1, "Gold");
        rankings.put(3, "Bronze");
        for(Map.Entry<Integer, String> entry : rankings.entrySet()) {
            System.out.println(entry.getValue());
        }
    }
}