AP CSA Unit 1 Day 23: Pass By Value For Primitives
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Advanced Practice Question
public static void change(int x) {
x = 10;
}
public static void main(String[] args) {
int num = 5;
change(num);
System.out.println(num);
}This question tests your understanding of ignored return. The correct answer demonstrates precise knowledge of how Java handles pass-by-value for primitives.
Students often make errors with pass-by-value for primitives by not carefully tracing execution or understanding the underlying concept.
This Cycle 2 HARD question requires careful attention to detail and understanding of how Java behaves in this scenario.
For questions testing pass-by-value for primitives, always trace execution step-by-step. Write down intermediate values. Don't skip steps - the AP exam rewards precise understanding of Java behavior.
Master This Topic
This Cycle 2 HARD question tests pass-by-value for primitives. Review Unit 1 concepts to build mastery of primitive types, objects, and String manipulation.
- Understanding ignored return
- Tracing code execution accurately
- Avoiding common pitfalls
Ready for More Challenges?
Cycle 2 questions prepare you for the hardest AP CSA exam questions.
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