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.
Which TWO statements about try-with-resources are true? (Choose two.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
If both the try block and the close method throw exceptions, the close exception is suppressed.
Option B is correct because when both the try block and the close method throw exceptions, the exception from the close method is suppressed and added to the suppressed exceptions list of the exception thrown by the try block. This behavior is defined by the try-with-resources specification in Java, ensuring that the primary exception is not masked by resource-closing exceptions.
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.
✗
Resources are closed in the order they are declared.
Why it's wrong here
Closed in reverse order.
✓
If both the try block and the close method throw exceptions, the close exception is suppressed.
Why this is correct
Suppressed exception mechanism.
Related concept
Read the scenario before looking for a memorised answer.
✗
Only a single resource can be managed in a try-with-resources statement.
Why it's wrong here
Multiple resources can be declared.
✓
Resources must implement AutoCloseable.
Why this is correct
Required for try-with-resources.
Related concept
Read the scenario before looking for a memorised answer.
✗
Resources are closed after the catch block if an exception occurs.
Why it's wrong here
Resources are closed before any catch block.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume resources close in declaration order (A) or that only one resource is allowed (C), but the exam tests the reverse close order and the ability to manage multiple resources, as well as the precise timing of resource closure relative to catch blocks.
Detailed technical explanation
How to think about this question
Under the hood, the try-with-resources statement compiles to a try-finally block where each resource's close() method is called in reverse declaration order. If an exception occurs during closing, it is suppressed via the Throwable.addSuppressed() mechanism, which is crucial for preserving the root cause of failures in complex resource management scenarios, such as database connections or file I/O in production systems.
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 network engineer segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
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: If both the try block and the close method throw exceptions, the close exception is suppressed. — Option B is correct because when both the try block and the close method throw exceptions, the exception from the close method is suppressed and added to the suppressed exceptions list of the exception thrown by the try block. This behavior is defined by the try-with-resources specification in Java, ensuring that the primary exception is not masked by resource-closing exceptions.
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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