hashmap inside hashmap

package model;

import java.util.HashMap;
import java.util.Map.Entry;

public class MainApp {
    static ProductGroup bottle = new ProductGroup("Bottle", Unit.CL);
    static ProductGroup glass = new ProductGroup("Glass", Unit.GLASS);
    static Product product = new Product("name", 69, bottle);
    static Price price = new Price(product, 96);
    static SalesSituation bar = new SalesSituation("Bar");
    static SalesSituation store = new SalesSituation("Store");

    public static void main(String[] args) {
        HashMap<String, Integer> inner = new HashMap<>();
        HashMap<String, HashMap<String, Integer>> map = new HashMap<>();

        Product p1 = new Product("Georgia Brown Ale", 60, bottle);
        Product p2 = new Product("Easter Brew", 60, bottle);
        Product p3 = new Product("Christmas Pale Ale", 60, glass);
        Product p4 = new Product("Classic", 60, glass);
        Product p5 = new Product("Newcastle", 60, glass);

        inner.put(bar.getName(), Price.getPrice());
        inner.put(store.getName(), Price.getPrice());
        map.put(p1.getName(), inner);
        map.put(p2.getName(), inner);
        map.put(p3.getName(), inner);
        map.put(p4.getName(), inner);
        map.put(p5.getName(), inner);

        for (Entry<String, HashMap<String, Integer>> m : map.entrySet()) {
            System.out.println("Product: " + map.keySet() + " " + "SalesSituation: " + inner.keySet() + " " + "Price: " + inner.values());
        }
    }
}