1. Question 1 — Student, Joanne, PartTime

• ✔️ Student is a → super class

• ✔️ Joanne is a → Student object

• ✔️ PartTime is a → subclass

Correct option: Option 1

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2. Question 2 — When creating a subclass

• ❌ write both inherited + additional code

• ❌ only public methods

• ✔️ only write the new instance variables and methods added to the subclass

• ❌ only inherited members

Correct option: Option 3

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3. Question 3 — Why avoid repeating code? (Select all that apply)

• ✔️ Improves readability; easier to trace

• ✔️ Facilitates code reuse

• ❌ Makes projects unique (incorrect statement)

• ❌ Makes program run faster (not guaranteed)

• ✔️ Makes debugging easier

Correct options: 1, 2, 5

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4. Question 4 — Calling a public, overloaded method in superclass

• ✔️ simply make the call; overloading allows compiler to find correct version

• ❌ implementation in subclass auto-used

• ❌ keyword sub (does not exist)

• ❌ must use super (not required for overloaded methods)

Correct option: Option 1

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5. Question 5 — Calling a public, overridden method in superclass

• ✔️ must use super to call the superclass version

• ❌ subclass cannot call super method

• ❌ simply make the call (would call the overridden subclass method)

• ❌ use this

Correct option: Option 1

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✅ SUMMARY TABLE

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