600-502 practice - PrepKeys

Q4 Single choice

When object-oriented design is used, which action represents the best practice to modify data contained within an object?

A
When possible, directly modify data to reduce overhead and improve application performance.
B
After objects are instantiated, they should not be modified because it may result in redundant objects in the memory space.
C
Do not modify the object directly. Instead, create a copy and modify data in the duplicated object.
D
Use object update queues.
E
Use the provided "setter" methods to modify data inside an object.