Given: public class DAOManager { public AccountDAO getAccountDAO() { return new AccountJDBCDAO(); } } Which design pattern best describes the class?

The correct answer is B. DAO. Data Access Object Abstracts and encapsulates all access to a data source Oracle 1Z0-805 Exam Manages the connection to the data source to obtain and store data Makes the code independent of the data sources and data vendors (e.g. plain-text, xml, LDAP, MySQL, Oracle, DB2)

Building Database Applications with JDBC

Question

Given:

public class DAOManager { public AccountDAO getAccountDAO() { return new AccountJDBCDAO(); } } Which design pattern best describes the class?

Options

ASingleton
BDAO
CFactory
DComposition

How the community answered

(28 responses)

A
4% (1)
B
75% (21)
C
7% (2)
D
14% (4)

Explanation

Data Access Object Abstracts and encapsulates all access to a data source Oracle 1Z0-805 Exam Manages the connection to the data source to obtain and store data Makes the code independent of the data sources and data vendors (e.g. plain-text, xml, LDAP, MySQL, Oracle, DB2)

Topics

#DAO pattern#factory pattern#design patterns#JDBC

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