Question 332 of 481
1Z0-811 What is Java Practice Question
A company is upgrading from Java 8 to Java 11. Which advantage does the module system introduced in Java 9 provide?
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
✓
Stronger encapsulation of internal APIs
The module system (Project Jigsaw) enforces stronger encapsulation of internal APIs, preventing accidental access. Options A, B, and D are incorrect: multithreading improvements are not provided by the module system, garbage collection enhancements are unrelated, and lambda syntax was introduced in Java 8.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Better multithreading
Why it's wrong here
Multithreading improvements are independent of the module system.
- ✗
Faster garbage collection
Why it's wrong here
GC improvements are not a direct benefit of the module system.
- ✓
Stronger encapsulation of internal APIs
Why this is correct
The module system allows hiding internal packages from external access.
- ✗
Improved lambda syntax
Why it's wrong here
Lambda expressions were introduced in Java 8.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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Last reviewed: Jun 23, 2026
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