ConceptJPMS / Java 模块系统

Module System

The modular system introduced in Java 9 (Java Platform Module System). Through module declarations and exports, it controls package visibility and is used for encapsulation and dependency management.

Timeline (last 90 days)

Oct 18

The permits clause of a sealed class requires that subclasses reside in the same module (or the same package, depending on the module system configuration).

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All Facts (1)

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The permits clause of a sealed class requires that subclasses reside in the same module (or the same package, depending on the module system configuration).

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Source Articles

Java Sealed Classes and Exhaustive Pattern Matching in PracticeOct 18