SHSubjectHub

OOP 1: classes, objects and encapsulation

AQA 75174.1 L8A-levelLesson packSubscription
Also online

This worksheet marks itself

Set it as homework or classwork and every answer is marked as pupils go, with feedback on what they got wrong. The scores go straight into your mark book, so you can see who needs help before the next lesson.

  • 11 questions
  • 30 marks
  • about 35 minutes
  • marked instantly

Question types: short answer, multiple choice, matching, true or false.

Try it with a class, freeHow it works

Try one from this worksheet

Counter's constructor sets a private field count. Add(n) adds n to count, and GetCount() returns it. Counter a = new Counter(5); Counter b = a; b.Add(3); Console.WriteLine(a.GetCount()); State what this code prints.

Pick an answer: it's marked straight away, just as your pupils would see it.

About this resource

AQA A-level Computer Science (7517) 4.1.2.3 Object-oriented programming: class, object, instantiation, encapsulation. C# lesson 8 of 10 in 4.1 Programming: a trace-the-objects Do Now, a short key idea, an 11-challenge ladder in three sets with exact test data, two exam questions and a worksheet.…

15 slides.

Lesson outline

  1. Do Now: trace the objects
  2. Do Now: answers
  3. Key idea: Class, object, constructor
  4. Key idea: Encapsulation and references
  5. Set 1: first classes
  6. Set 2: protect the data
  7. Exam question E1: class and object
  8. Model answer E1
  9. Exam question E2: encapsulation
  10. Model answer E2
  11. Set 3: objects together
  12. Finished? hide how it works
Unit bundle4.1 Programming · full C# lessons
Part of: 4.1 Programming · full C# lessons: the whole unitEvery resource in the unit in one zip.

More from 4.1 Programming · full C# lessons