4. Updating data at the same time by single user can be considered a synchronization (2 Points) Flase True 5. Design pattern can be considered a data structure that can be used in classes and reused in analysis again and again. (2 Points) 6. Suppose you have a class diagram with some classes. One of these classes is "Employee" which has the following subclasses: Engineer Manager. Technician, and Secretary. Your application needs to use some of the operations which exist in the subclasses. What design pattern solve this issue in a suitable manner. 12. Points 0 Command Adapter O Singleton Builde Strategy