SALESFORCE-PD1 Developer Fundamentals Practice Question
A developer needs to iterate over a map of Account IDs to Account sObjects and perform processing on each value. Which loop construct is valid Apex?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
for(Account acc : myMap.values()) { ... }
Iterating over map values is done using map.values() in a for-loop: for(Account acc : myMap.values()).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
for(KeyValue kv : myMap.entrySet()) { ... }
Why it's wrong here
Apex does not have a KeyValue or entrySet structure similar to Java.
- ✗
for(Account acc : myMap) { ... }
Why it's wrong here
You cannot iterate directly over a Map variable without specifying .keySet() or .values().
- ✓
for(Account acc : myMap.values()) { ... }
Why this is correct
Calling .values() on a map returns a List of the sObjects, which can be iterated directly.
- ✗
for(Id id : myMap.iterator()) { ... }
Why it's wrong here
Maps do not have an iterator() method called this way for direct for-loop iteration.
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Written and reviewed by Johnson Ajibi, MSc IT Security
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Last reviewed August 2026 · checked against the official Salesforce exam blueprint
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