1Z0-811 Control Flow and Loops Practice Question
A company's application uses a switch statement to handle different user roles. The code currently has a bug where after processing one role, it unintentionally executes the next role's logic. Which concept is being misused?
⚠ Common exam trap
Many candidates confuse the cause of fall-through with other switch features, such as the default case or valid types, when the core issue is simply the absence of break statements.
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
✓
Missing break statements causing fall-through
In Java, a switch statement without break statements causes fall-through, where execution continues into subsequent case blocks even after a match is found. This is exactly the bug described: after processing one role, the code unintentionally executes the next role's logic because no break terminates the case.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Missing break statements causing fall-through
Why this is correct
Missing break allows execution to continue into subsequent cases.
- ✗
Incorrect default case
Why it's wrong here
Default case handles unmatched values, not fall-through.
- ✗
Using enum in switch
Why it's wrong here
This is also valid and not the cause.
- ✗
Using string in switch (Java 7+)
Why it's wrong here
This is a valid feature; not the cause of the bug.
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