Question 120 of 513
1Z0-829 Java Platform Overview and Packaging Practice Question
Network Topology
A developer runs 'java --list-modules' and sees the output above. Which command can be used to create a custom runtime image containing only the 'java.base' module?
⚠ Common exam trap
Many exam-takers confuse `jlink` with `jimage` or `jar`, and mistaking `--modules` for the correct `--add-modules` option, which is a common syntax error that candidates make when they recall the general concept but not the exact command flags.
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
✓
jlink --add-modules java.base --output myimage
The `jlink` tool is used to assemble and optimize a set of modules and their dependencies into a custom runtime image. The `--add-modules` option specifies which modules to include, and `--output` specifies the target directory. Option D correctly uses `jlink --add-modules java.base --output myimage` to create a runtime image containing only the `java.base` module.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
jar --create --file myimage --module java.base
Why it's wrong here
jar does not create runtime images.
- ✗
jimage --add-modules java.base --output myimage
Why it's wrong here
jimage is for managing runtime images, not creating them.
- ✗
jlink --modules java.base --output myimage
Why it's wrong here
--modules is not a valid flag.
- ✓
jlink --add-modules java.base --output myimage
Why this is correct
Correct syntax for jlink.
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Last reviewed: Jun 11, 2026
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