Computer Science 30S

Use the following links to relevant course content for Computer Science 30S (grade 11):

  • Materials (including all course notes and assignments)
  • Video lectures (videos recorded in past classes on course content and examples)
  • Weekly Events (a journal of weekly events for the current semester)
  • Current/Past Assessments (a list of assessments for the current semester)
  • Schedule (the interactive schedule for the current semester’s events)
  • Hand in (the web portal to submit completed assignments)
  • Hand back (the web portal where graded assignments are handed back)
  • Course archive (records of events/assessments of this course in the past)
  • Class photos (some photos of past or current class events and funny items)
  • Programming resources  (sample code and other assets like sounds, icons, etc.)
  • GitHub (current class example code projects on in a code repository)
  • Current Marks (PowerSchool portal, log in to check marks and attendance)

Any questions about any of this by students, parents, teachers, etc? Then email Mr. Wachs or comment at the bottom of this page…

Weekly Events:

  • Week 1: I introduced the course and went over the course outline and then worked on a course survey. Then we started our look at the introduction to Java programming with a presentation (see videosand by looking at basic input/outputs and variables by working through a large example
  • Week 2: This week we completed our presentation (see videos) as well as the large example that we started last week, covering Java variables, conditional statements, and looping. The students also had time to start looking at the programming problems that go with this content.
  • Week 3: This week (a shorter week due to Louis Riel day) was time to work on the introduction to Java programming problems (see presentationvideos, and example) and Mr. Wachs provided assistance when needed
  • Week 4: This week we completed our first unit with a review (see the review booklet) and had the unit quiz. Then we started our next unit: Methods with a presentation (see example and videos for parts one and two) and unit programming problems
  • Week 5: This week we completed our look at methods (see previous week for links to content) and work time. Mr. Wachs also offered an optional “Walk-through (Wachs through)” on a methods programming problem to model a solution.
  • Week 6: This week was a shorter week (due to an inservice day on Friday) and we continued work time on the methods unit (see previous week for links to content) and completed the “Walk-through (Wachs through)” on a methods programming problem to model a solution.
  • Week 7: This week was the last week before spring break and we had work classes (see last week) a review of the methods unit (see the review booklet) and had the unit quiz
  • Spring Break Week
  • Week 8: Back from spring break, this week we started our next unit arrays (see presentationexample, and videos for parts onetwo, and threealong with work time on any past assignments of the problems of the new unit.
  • Week 9: This week was a work week on the arrays unit (including completing the optional “walk-through” assignment). On Friday, the school was doing a “Tell Them From Me” survey and class was suspended for that day.
  • Week 10: This week (a shorter week because of an inservice day), was a work week on the arrays unit and we did the arrays unit quiz.
  • Week 11: This week we started our next unit Classes (see presentationexample, programming problems, and videos)
  • Week 12: This week we continued our look at classes and work time on the classes programming problems.
  • Week 13: This week was a work week on the classes programming problems (as well as an optional “walk-through” on one of the assignments).
  • Week 14: This week was a work week on the classes unit (Mr. Wachs completed the “Wachs-Through”)


  1. Unit 1: Course survey (note: that this survey is not for marks)
  2. Unit 1: Introduction to Java – programming problems
  3. Unit 1: Introduction To Java – quiz (link activated during test period)
  4. Unit 2: Methods – programming problems
  5. Unit 2: Methods – Unit Quiz (link activated during test period)
  6. Unit 3: Arrays – programming problems
  7. Unit 3: Arrays – Unit Quiz (link activated during test period)
  8. Unit 4: Classes – programming problems
  9. Unit 4: Classes – Unit Quiz (link activated during test period)



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