package proto;
public class Main {

	public static void main(String[] args) {
		Root root = new Root();
		System.out.println(Root.companies);
		System.out.println(Root.customers.get("A").office.address);
		System.out.println(Root.customers.get("B").office.address);
		Root.companies.get("C1").address = "Osaka";
		System.out.println(Root.customers.get("A").office.address);
	}

}