The answer is that the `--module-source-path` does not include the location of the utility module. This is the most likely cause because the Java compiler uses the `--module-source-path` to locate all source directories for modules referenced in `requires` directives; when a module’s source path is omitted, the compiler cannot resolve the dependency and throws a "module not found" error. On the Oracle Java Foundations 1Z0-811 exam, this question tests your understanding of modular compilation and the `--module-source-path` option, a common trap being that candidates mistakenly think the error is due to a missing `module-info.java` or incorrect classpath. Remember the memory tip: "Every required module needs a source path entry—if it's missing, the compiler can't find it."
1Z0-811 Exception Handling and Development Tools Practice Question
This 1Z0-811 practice question tests your understanding of exception handling and development tools. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
Network Topology
A developer tries to compile a modular Java application using the command shown in the exhibit. The compilation fails with the error shown. What is the most likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The `--module-source-path` does not include the location of the utility module.
The error indicates that the compiler cannot find the utility module referenced in the `requires` directive. The `--module-source-path` option must list all directories containing module source code. Since the utility module's source is not included in the specified path, the compilation fails. Option D correctly identifies this missing path as the cause.
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.
✗
The `-d out` flag is incorrectly specified; it should point to the source directory.
Why it's wrong here
`-d` sets the destination for class files; it does not affect module resolution.
✗
The `-m` option should be `--module` instead.
Why it's wrong here
`-m` is a valid shorthand for `--module` in javac.
✗
The import statement should use the fully qualified class name instead of importing.
Why it's wrong here
Imports are fine; the core issue is that the class is not found on the module path.
✓
The `--module-source-path` does not include the location of the utility module.
Why this is correct
The module source path must point to the directory that contains all module source directories; if missing, dependent modules cannot be resolved.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Oracle often tests the distinction between module path and module source path, trapping candidates who confuse `-d` (output directory) with source path or who think import syntax is the issue when the real problem is a missing module source location.
Detailed technical explanation
How to think about this question
In Java modular compilation, `--module-source-path` tells the compiler where to find the source files of all modules involved. If a module is missing from this path, the compiler cannot resolve its exports, even if the module's JAR is on the module path. This is distinct from classpath-based compilation, where missing dependencies produce 'package does not exist' errors rather than 'module not found' errors.
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.
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: The `--module-source-path` does not include the location of the utility module. — The error indicates that the compiler cannot find the utility module referenced in the `requires` directive. The `--module-source-path` option must list all directories containing module source code. Since the utility module's source is not included in the specified path, the compilation fails. Option D correctly identifies this missing path as the cause.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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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