Oracle
1Z0-819 · Question #17
1Z0-819 Question #17: Real Exam Question with Answer & Explanation
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Question
Given:
public interface Builder {
public A build(String str);
}
public class BuilderImpl implements Builder {
@Override
public B build(String str) {
return new B(str);
}
}
Options
- AB cannot be abstract.
- BB is a subtype of A.
- CA cannot be abstract.
- DB cannot be final.
- EA is not final.
- FA is a subtype of B.
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