APCS: AP Computer Science A @sfhs

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qtr_1_study_guide [2022/10/01 09:40] – frchrisqtr_1_study_guide [2023/10/09 09:23] (current) – frchris
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-The first quarter exam will be Monday October 10, 2022(60 min) and Tuesday October 11, 2022 (30 min) in class.  The average of the two quarter exams is worth 20% of your grade. It will be similar to the other tests that we have had. On Monday you have an hour to answer around 40 questions which are a combination of true/false, multiple choice, and short answer questions.  On Tuesday you will have 30 minutes to answer 2 Free Response questions. The first question will ask you to write a method (much like a codingbat.com warmup exercise), and the second question will ask you to write a class.  I will give you a choice of methods and classes, and you just need select one of each to write.+The first quarter exam will be in Room 405 on Monday October 9, 2023 (90 min).  The average of the two quarter exams is worth 20% of your grade. The exam will be similar to the chapter tests that we have had. You have 90 minutes to answer 3 Free Response questions, and around 40 other questions which are a combination of true/false, short answer, and multiple choice.   
 + 
 + The first Free Response Question question will ask you to write a method (much like a [[https://codingbat.com/java/Warmup-1|codingbat.com]] warmup exercise), and the second question will ask you to write a complete class from scratch.  I will give you a choice of methods and classes, and you just need select one of each to write.  The third question is a Subclass question where your are provided a super class, and you need to write a subclass with a constructor and a method. 
  
  
  The first quarter exam is a cumulative exam that covers   The first quarter exam is a cumulative exam that covers 
   - The [[https://mathorama.com/wiki/doku.php?id=summer_assignment|summer assignment]]   - The [[https://mathorama.com/wiki/doku.php?id=summer_assignment|summer assignment]]
-  - [[https://mathorama.com/wiki/doku.php?id=karl_j_robot|Karel the Robot]] +  - [[https://mathorama.com/wiki/doku.php?id=karl_j_robot|Karel the Robot]] (Subclasses of Robot, void methods, while loops, for loops) 
-  - [[https://mathorama.com/showHWbyQtr2020apcs.php?block=D&qtr=1|Classroom labs]] (including the [[https://runestone.academy/runestone/default/user/login|SFHS-Java]] exercises) +  - [[https://mathorama.com/showHWbyQtr2020apcs.php?block=A&qtr=1|Classroom labs]] (including mathorama wiki, Litvin, and  [[https://runestone.academy/runestone/default/user/login|Runestone]] exercises) 
-  - Chapters 3 through 5 of the Litvin textbook. +  - [[https://myap.collegeboard.org|AP Classroom]] (Unit 1 Sampler, Unit 1 PPC A, B, Unit 2 PPC A, Qtr 1 MC Practice, Daily Videos  1.2, 2.1, 2.2, 2.6, 2.7, 2.9, 5.8, 9.1, 9.2 )) 
 +  - Chapters 3 through 5 of the Litvin textbook (Homework, Labs, Chapter Tests). 
      
 +Links to Practice Problems
  
-On the actual AP Exam, the multiple choice question pace is 2 minutes, 15 seconds each, and the free response questions pace is about 15 minutes each.  +  * [[https://apclassroom.collegeboard.org/| Qtr 1 MC Practice]] assignment at AP Classroom 
-If you log in at [[https://apclassroom.collegeboard.org/]] there is "Qtr 1 MC Practice 1" with some multiple choice questions.   +  * [[https://codingbat.com/java/Warmup-1|codingbat.com]] Warm-up 1 
- +  * [[https://codingbat.com/java/Logic-1|codingbat.com]] Logic 1 
-[[https://mathorama.com/apcs2/practice_frq_qtr_1.pdf |Practice FRQs' for Qtr 1]] +  * [[Writing classes Practice]] 
- +  * [[https://mathorama.com/apcs2/practice_frq_qtr_1.pdf |Old Practice FRQs' for Qtr 1]]
-It is also a good idea to practice writing code.  Don't forget if you are away from your computer, you can still practice writing code on your phone or iPad at [[https://codingbat.com/java|https://codingbat.com/java]].  [[https://codingbat.com/java/Warmup-1|"Warm up"]] and [[https://codingbat.com/java/Logic-1|"logic"]] are good categories to practice.  You also may wish to try these {{ :practice_frq_qtr_1.pdf |practice free response }} quizzes from the past, and the reading and exercises we've done at [[https://runestone.academy/runestone/books/published/Java2021-SFHS/index.html|Java2021-SFHS]].+
  
-You may wish to review your homework, labs, and the powerpoint slides (in [[ https://classroom.google.com|Google Classroom]]).  
  
-Things to watch out for:+====Things to watch out for:====
   - Constructors should initialize the class's  fields  (fields are ''private'', to encapsulate)    - Constructors should initialize the class's  fields  (fields are ''private'', to encapsulate) 
   - When initialzing fields in a constructor, **Do not** mention its type- this accidentally makes a local variable instead of initializing the classes field that has the same name.   - When initialzing fields in a constructor, **Do not** mention its type- this accidentally makes a local variable instead of initializing the classes field that has the same name.
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   - Remember method names should use () for the parameter list, even if there are no parameters   - Remember method names should use () for the parameter list, even if there are no parameters
   - Watch for dangling else statements (p 148) - without brackets, the last ''else'' belongs to the previous ''if''   - Watch for dangling else statements (p 148) - without brackets, the last ''else'' belongs to the previous ''if''
-  - **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** add a ''System.out.print'' when no printing is requested (This can be a 1 or 2 point **Extraneous code that causes side effect** [[https://mathorama.com/wiki/lib/exe/detail.php?id=qtr_1_study_guide&media=apcs_penalty_points.png|penalty on the AP Exam]]) 
-  - **Do not** use local variables before first declaring them ( also a AP scoring penalty).  +  - **Do not** use local variables before first declaring them ( also a [[https://mathorama.com/wiki/lib/exe/detail.php?id=qtr_1_study_guide&media=apcs_penalty_points.png|AP scoring penalty]]).  
   - Variables are declared ONLY ONCE, not every time.   - 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**)+  - **Do not** assign a value to a parameter inside a method unless you are asked to (also a [[https://mathorama.com/wiki/lib/exe/detail.php?id=qtr_1_study_guide&media=apcs_penalty_points.png|AP scoring penalty]] called **Destruction of data**)
   - **Never** use ''return'' in a constructor   - **Never** use ''return'' in a constructor
   - Remember to ''return'' something of the same type as a method's header.    - Remember to ''return'' something of the same type as a method's header. 
-  - **Do not** ''return'' something when writing a ''void'' method ( a method that isn't supposed to return something (This too has a AP scoring penalty)+  - **Do not** ''return'' something when writing a ''void'' method ( a method that isn't supposed to return something (This too has a [[https://mathorama.com/wiki/lib/exe/detail.php?id=qtr_1_study_guide&media=apcs_penalty_points.png|AP scoring penalty]])
    
 Finally, please remember to get a good night's rest and a healthy breakfast! Finally, please remember to get a good night's rest and a healthy breakfast!
 Good Luck! Good Luck!
qtr_1_study_guide.txt · Last modified: 2023/10/09 09:23 by frchris
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