Question 423 of 509
Exception Handling and Development ToolseasyMultiple ChoiceObjective-mapped

1Z0-811 Exception Handling and Development Tools Practice Question

This 1Z0-811 practice question tests your understanding of exception handling and development tools. 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.

You are a junior developer tasked with generating API documentation for a large Java project. The project uses Javadoc comments extensively, and you need to generate HTML documentation that includes all public and protected classes and methods. You have access to the source files in the `src` directory, and you want the output to be placed in a `docs` folder. Additionally, you want to include a custom header and footer in each generated page. The project uses multiple packages like `com.example.app`, `com.example.util`, and `com.example.data`. You plan to run the javadoc command from the project root. Which command should you use?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "which command"

    Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.

Question 1easymultiple choice
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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

javadoc -d docs -header 'My App API' -footer 'Copyright 2024' -sourcepath src com.example.app com.example.util com.example.data

Option C is correct because it specifies the exact package names (`com.example.app`, `com.example.util`, `com.example.data`) that contain the public and protected classes and methods required for the documentation, uses `-d docs` to set the output directory, and includes `-header` and `-footer` to add custom header and footer text. This command generates HTML documentation for only the specified packages, meeting all requirements.

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.

  • javadoc -d docs -header 'My App API' -footer 'Copyright 2024' -sourcepath src com.example.*

    Why it's wrong here

    Wildcards in package names are not supported; you must specify individual package names.

  • javadoc -d docs -private -sourcepath src com.example.app com.example.util com.example.data

    Why it's wrong here

    The `-private` flag includes private members, which is not required; also no header/footer.

  • javadoc -d docs -header 'My App API' -footer 'Copyright 2024' -sourcepath src com.example.app com.example.util com.example.data

    Why this is correct

    Correctly sets output, header, footer, sourcepath, and lists specific packages to document.

    Clue confirmation

    The clue word "which command" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • javadoc -d docs -header 'My App API' -footer 'Copyright 2024' -sourcepath src -subpackages com.example

    Why it's wrong here

    The flag is `-subpackages`, not `-subpackages` (typo). Also, this would document all subpackages recursively, but the command is still incorrect due to the typo.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Oracle often tests the distinction between `-subpackages` and explicitly listing packages, where candidates mistakenly choose `-subpackages` thinking it is more efficient, but it may include unwanted packages and does not match the requirement to document only the three specified packages.

Trap categories for this question

  • Command / output trap

    The flag is `-subpackages`, not `-subpackages` (typo). Also, this would document all subpackages recursively, but the command is still incorrect due to the typo.

Detailed technical explanation

How to think about this question

The `javadoc` tool processes source files based on the packages or classes listed on the command line; using `-subpackages` recursively scans all subdirectories under the given package root, which can inadvertently include internal or test packages. The `-header` and `-footer` options insert HTML content into the generated pages, but they must be properly quoted to avoid shell interpretation. In real-world projects, specifying exact package names prevents documentation of unintended code, especially when packages like `com.example.internal` exist.

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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.

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.

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Related 1Z0-811 practice-question pages

Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.

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FAQ

Questions learners often ask

What does this 1Z0-811 question test?

Exception Handling and Development Tools — This question tests Exception Handling and Development Tools — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: javadoc -d docs -header 'My App API' -footer 'Copyright 2024' -sourcepath src com.example.app com.example.util com.example.data — Option C is correct because it specifies the exact package names (`com.example.app`, `com.example.util`, `com.example.data`) that contain the public and protected classes and methods required for the documentation, uses `-d docs` to set the output directory, and includes `-header` and `-footer` to add custom header and footer text. This command generates HTML documentation for only the specified packages, meeting all requirements.

What should I do if I get this 1Z0-811 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 30, 2026

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This 1Z0-811 practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 1Z0-811 exam.