Question 209 of 481
1Z0-811 Exception Handling and Development Tools Practice Question
A developer writes a method that reads a file and processes its contents. If the file does not exist, the method should notify the caller. Which exception should the method declare in its throws clause?
⚠ Common exam trap
Oracle often tests the distinction between checked and unchecked exceptions, and the trap here is that candidates choose `IOException` (Option D) because it is a parent class, failing to recognize that the most specific exception (`FileNotFoundException`) is the correct and precise choice for the given scenario.
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
✓
FileNotFoundException
`FileNotFoundException` is a checked exception that specifically indicates a file cannot be found at the specified path. The method must declare it in its `throws` clause to notify the caller that this condition can occur and must be handled or re-declared, as required by Java's checked exception rules.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
RuntimeException
Why it's wrong here
RuntimeException is unchecked; the caller is not forced to handle it.
- ✓
FileNotFoundException
Why this is correct
FileNotFoundException is a checked exception specifically for missing files.
- ✗
Exception
Why it's wrong here
Exception is too general; should use a more specific subclass.
- ✗
IOException
Why it's wrong here
IOException is broader than needed; FileNotFoundException is more specific.
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Last reviewed: Jun 30, 2026
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