Using a Wait Stage to Check If a Java Element

Using a Wait stage to check if a Java element exists requires the Java Application Model tree to be traversed. Constantly accessing the model can be costly in terms of CPU efficiency. Which of the following tips is a valid method to help manage this CPU efficiency cost?

A) Avoid using long timeout periods in Wait Stages that wait for Java elements
B) Close and restart the Java application between cases
C) Spy all the Java elements using an alternative spy mode
D) Ensure all the actions required to interface with the Java application are contained in a single Object