This 1Z0-829 practice question tests your understanding of handling exceptions. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A developer is implementing a method that reads a file and parses its contents. The method should ensure that any resources opened during the process are properly closed, even if an exception occurs. Which approach guarantees resource closure with minimal code?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use try-with-resources with the resource declared in the try clause.
Option A is correct because try-with-resources automatically closes any resource that implements `AutoCloseable` (or `Closeable`) at the end of the try block, regardless of whether an exception occurs. This guarantees resource closure with minimal code, as the developer does not need to write explicit `close()` calls or manage finally blocks.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Use try-with-resources with the resource declared in the try clause.
Why this is correct
Try-with-resources ensures automatic closure regardless of exceptions.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use a try-catch block and close the resource inside the catch block.
Why it's wrong here
Closing in catch only handles exceptions, not normal completion.
✗
Use a try block followed by a finally block without catch.
Why it's wrong here
Missing catch may cause unhandled checked exceptions.
✗
Use a try-catch-finally block and call close() in the finally block.
Why it's wrong here
Explicit close() in finally is error-prone and requires null checks.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think a finally block is always required for resource cleanup, but try-with-resources implicitly provides that guarantee with less code and better exception handling, making it the preferred approach in modern Java.
Detailed technical explanation
How to think about this question
Under the hood, try-with-resources compiles to a try-finally block where each resource's `close()` method is called in reverse order of declaration, and any exceptions from `close()` are suppressed if the try block throws an exception (using `Throwable.addSuppressed()`). This is defined in JLS 14.20.3 and is especially important in real-world scenarios like reading large files where a failure during processing could otherwise leave file handles open, exhausting system resources.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the 1Z0-829 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Handling Exceptions — This question tests Handling Exceptions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use try-with-resources with the resource declared in the try clause. — Option A is correct because try-with-resources automatically closes any resource that implements `AutoCloseable` (or `Closeable`) at the end of the try block, regardless of whether an exception occurs. This guarantees resource closure with minimal code, as the developer does not need to write explicit `close()` calls or manage finally blocks.
What should I do if I get this 1Z0-829 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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