1Z0-829: Java SE 17 DeveloperDemo

Question

Given the definition of the Doc class:

Question Image

Which statement is correct?

A The WordDoc class should exist within p1 of module1.
B The Doc class must declare non-abstract.
C The WordDoc class could exist within another package, p2, of module1.
D The getName() method should be abstract.

Explanation

A permitted direct subclass of a sealed class may be declared in a different package when both classes are in the same named module. Thus, WordDoc can be in package p2 of module1. A sealed class may also be abstract, and getName() may remain a concrete method.

Learn more

Java Language Specification, §8.1.6 Class and Interface Sealing

1Z0-829: Java SE 17 DeveloperDemo

AstroTutor

Notes

Readiness

QuestionQ56

Community Discussion