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Item 131 of 426 · Year 11: The Object-Oriented Paradigm, 16 of 33
Facade pattern
Term
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Definition
A design pattern where a simple class provides one easy interface that hides a complex set of subsystem classes behind it.
Example: A OrderFacade class calls the Stock, Payment and Delivery classes for the user.
Found in: syllabus.
Where you'll use it in the test
Syllabus area: Y11 OOP.
Question types it can appear in
- Multiple choice: Pick the option that matches the definition or example.
- Short answer: Describe the facade pattern
- Drawing: class diagram
How to use it
A model sentence
“A design pattern where a simple class provides one easy interface that hides a complex set of subsystem classes behind it.” Then apply it: A OrderFacade class calls the Stock, Payment and Delivery classes for the user.
In a short answer, give the definition in your own words first, then tie it to the situation in the question. Do not copy the example above unless it fits the scenario.
Command words used with it
No linked question shows the command word for this term. Across the past short answer and drawing questions in this bank the words used most are: Explain, Outline, Describe, Compare, Classify, Analyse. Check the actual word in your question.
Go deeper
- Flashcard: Facade pattern in The Object-Oriented Paradigm (Year 11) · study that set
- Memorise: Object-oriented concepts
- Notes: Object-oriented concepts (Year 11 content (Programming fundamentals, OOP, Mechatronics))
- Full term page: every question, note and marking comment for Facade pattern
Check yourself
Explain “Facade pattern” in one sentence, give an example, and name a question type that could test it.
Reveal the answer
A design pattern where a simple class provides one easy interface that hides a complex set of subsystem classes behind it.
Example: A OrderFacade class calls the Stock, Payment and Delivery classes for the user.
Could be tested as: Multiple choice, Short answer, Drawing.