Across
- 3. Ensure a class has only one instance, and provide a global point of access to it.
- 4. is a layer to present a user interface and to interact with end user.
- 8. is a layer to store the business data.
- 10. is one example of behavioral design pattern.
Down
- 1. number of steps in java database connectivity.
- 2. a design pattern for identify the relationship between objects.
- 5. number of layer for common Java EE.
- 6. Define the skeleton of an algorithm in an operation, deferring some steps to sub classes.
- 7. is a driver that used to connect between application and database.
- 9. is a layer that responsible to execute business logic.
