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README.md
pom.xml

README.md

layout title folder permalink categories tags
pattern
Data Access Object
dao
/patterns/dao/
Persistence Tier
Java
Difficulty-Beginner

Intent

Object provides an abstract interface to some type of database or other persistence mechanism.

alt text

Applicability

Use the Data Access Object in any of the following situations

  • when you want to consolidate how the data layer is accessed
  • when you want to avoid writing multiple data retrieval/persistence layers

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