Differences

This shows you the differences between two versions of the page.

--- qtr_1_study_guide [2019/10/04 12:54] – frchris
+++ qtr_1_study_guide [2019/10/04 12:57] – frchris
@@ Line 15: / Line 15: @@
   - forgetting to have a method return something of the correct type
   - **Do not** add a ''System.out.print'' when no printing is requested (This can be a 1 or 2 point **Extraneous code that causes side effect** penalty on the AP Exam)
-  - **Do not** use local variables with first declaring them ( also a AP scoring penalty)
+  - **Do not** use local variables before first declaring them ( also a AP scoring penalty).
+  - Variables are declared ONLY ONCE, not every time.
   - **Do not** assign a value to a parameter inside a method unless you are asked to (also a AP scoring penalty called **Destruction of data**)
-  - return statement on a constructor, or a method that isn't supposed to return something (a 'void' method).  This too has a AP scoring penalty)
+  - **Never** use ''return'' in a constructor, or a method that isn't supposed to return something (a 'void' method).  This too has a AP scoring penalty)
 Finally, please remember to get a good night's rest and a healthy breakfast!
 Good Luck!