1Z0-829 Java 17 Java Platform Module System Guide

Study 1Z0-829 Java 17 Java Platform Module System: key concepts, common traps, and exam decision cues.

JPMS is a smaller lane, but it produces clean rule questions. If you keep readability, exports, services, and classpath-vs-module-path ideas distinct, the chapter becomes manageable.

Work this chapter in order

Lesson	Focus
9.1 JPMS and Services	Learn how the exam tests module boundaries, service loading, and migration concepts.

Fast routing inside this chapter

If the question is really about…	Go first to…
`requires`, `exports`, or `module-info.java`	9.1 JPMS and Services
service loading or provider use	9.1 JPMS and Services
classpath vs module path	9.1 JPMS and Services

What strong answers usually do

distinguish dependency readability from package exposure
remember services are a runtime composition mechanism
treat module-path questions as deployment and boundary questions, not syntax trivia

In this section

1Z0-829 Java 17 JPMS, Services, Module Path and Migration Guide
Study 1Z0-829 Java 17 JPMS, Services, Module Path and Migration: key concepts, common traps, and exam decision cues.

Revised on Sunday, May 10, 2026

8. Java 17

10. Concurrency