What is the Module System (JPMS) introduced in Java 9 and what problem does it solve compared to the classpath?

Explanation

JPMS introduces named modules with explicit dependencies and exports to solve classpath issues like missing dependencies and version conflicts. It provides strong encapsulation and reliable configuration.

Key points

JPMS solves classpath hell by introducing named modules
It provides explicit dependencies and exports
Strong encapsulation ensures better control over module dependencies
Reliable configuration helps avoid version conflicts
Access to internal APIs is controlled within modules

Ready to go further?

Start full exam Practice more questions