package adapter; import java.util.HashMap;import java.util.Map; public class User { private int id; private Map<String, Object> userData; public User(int id) { super(); this.id = id; this.userData = new HashMap<String, Object>(); } public void AddDetail(String name, Object value) { userData.put(name, value); } public Object GetDetail(String name) { return userData.get(name); } }