Oracle
1Z0-819 · Question #7
1Z0-819 Question #7: Real Exam Question with Answer & Explanation
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Question
Given:
import java.util.;
public class Foo {
public public List<Number> foo(Set<CharSequence> m) { ... }
}
and
import java.util.;
public class Bar extends Foo {
//line 1
}
Which two statements can be added at line 1 in Bar to successfully compile it? (Choose two.)
Options
- Apublic List<Integer> foo(Set<CharSequence> m) { ... }
- Bpublic ArrayList<Number> foo(Set<CharSequence> m) { ... }
- Cpublic List<Number> foo(TreeSet<String> m) { ... }
- Dpublic List<Integer> foo(Set<String> m) { ... }
- Epublic List<Number> foo(Set<Comparable> m) { ... }
- Fpublic ArrayList<Integer> foo(Set<String> m) { ... }
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