10.2.3. Software Design

Try these first

1. 1.

   What is the purpose of using a Singleton design pattern?

   Hint

   Think about resource management.

2. 2.

   Provide an example of where a Factory pattern would be useful.

   Hint

   Consider object creation scenarios.

3. 3.

   What does the Singleton design pattern ensure?

   • Multiple instances of a class
   • Single instance of a class
   • No instance of a class

   Hint

   Consider instances in terms of resource control.

4. 4.

   The Factory pattern facilitates which of the following functionalities?

   • True
   • False

   Hint

   Think about how objects can be created flexibly.

5. 5.

   How would the absence of the DAO pattern affect data management in an EMS?

   Hint

   Consider the implications for developer efficiency.

6. 6.

   Design a scenario where the use of the Factory pattern could simplify coding for different employee types.

   Hint

   Think about the scalability of your design.