# Hierarchy For All Packages

Package Hierarchies:

- org.example.customerdao,
- org.example.customerdao.utility

## Class Hierarchy

- java.lang.Object
  - org.example.customerdao.CustomerDAOImpl (implements org.example.customerdao.CustomerDAO)
  - org.example.customerdao.utility.ErrorFormatter
  - org.example.customerdao.OrderDAOImpl (implements org.example.customerdao.OrderDAO)
  - org.example.customerdao.ProductDAOImpl (implements org.example.customerdao.ProductDAO)
  - org.example.customerdao.SupplierDAOImpl (implements org.example.customerdao.SupplierDAO)
  - java.lang.Throwable (implements java.io.Serializable)
    - java.lang.Exception
      - java.lang.RuntimeException
        - org.example.customerdao.utility.NonDeleteableRecordException (implements java.io.Serializable)

## Interface Hierarchy

- org.example.customerdao.utility.Deleteable
  - org.example.customerdao.CustomerDAO
  - org.example.customerdao.OrderDAO
  - org.example.customerdao.ProductDAO
  - org.example.customerdao.SupplierDAO