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Given the code fragment: abstract sealed interface SInt permits Story, Art { default String getTitle() { return "Book Title" ; } } Which set of class definitions compiles?
Correct Answer: C
The answer is C because the code fragment given is an abstract sealed interface SInt that permits Story and Art. The correct answer is option C, which is a sealed interface Story that extends SInt and a non-sealed class Art that implements SInt. This is because a sealed interface can only be extended by the classes or interfaces that it permits, and a non-sealed class can implement a sealed interface. Option A is incorrect because interface is misspelled as interace, and Story and Art should be capitalized as they are the names of the permitted classes or interfaces. Option B is incorrect because public is misspelled as public, and sInd should be SInt as it is the name of the sealed interface. Option D is incorrect because a non-sealed interface cannot extend a sealed interface, as it would violate the restriction of permitted subtypes. Option E is incorrect because both Story and Art cannot be non-sealed interfaces, as they would also violate the restriction of permitted subtypes. Reference: Oracle Certified Professional: Java SE 17 Developer Java SE 17 Developer OCP Oracle Certified Professional Java SE 17 Developer Study Guide Sealed Classes and Interfaces in Java 15 | Baeldung Sealed Class in Java - Javatpoint
