Question 455 of 513
1Z0-829 Java Platform Overview and Packaging Practice Question
Network Topology
A developer runs `java --list-modules` and sees the above output on a standard JDK installation. What does this output represent?
⚠ Common exam trap
Many candidates confuse 'available modules' with 'loaded modules' or 'required modules', because in everyday development, the modules used by an application are often a subset of those available, but `--list-modules` shows the full set of observable modules in the JDK, not the runtime state.
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
✓
The set of modules available in the current JDK.
The `java --list-modules` command outputs the names of all observable modules that are part of the current JDK installation. This includes all platform modules (e.g., `java.base`, `java.sql`, `jdk.compiler`) that are available for use, regardless of whether they are currently required or loaded by an application. Option C correctly identifies this as the set of modules available in the current JDK.
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 modules that are part of the java.base module.
Why it's wrong here
java.base is one module; others are separate.
- ✗
The modules that are required by the current application.
Why it's wrong here
--list-modules shows all observable modules in the JDK, not application-specific.
- ✓
The set of modules available in the current JDK.
Why this is correct
It lists all modules that can be resolved.
- ✗
The modules that are currently loaded by the JVM.
Why it's wrong here
It shows available modules, not loaded ones.
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Last reviewed: Jun 25, 2026
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