Exam 1z0-809 topic 1 question 19 discussion

Actual exam question from Oracle's 1z0-809

Question #: 26
Topic #: 2

Given:
final class Folder { //line n1
//line n2
public void open () {
System.out.print("Open");
}
}
public class Test {
public static void main (String [] args) throws Exception { try (Folder f = new Folder()) { f.open();
}
}
}
Open Close?
Which two modifications enable the code to print
line n1 with:

A. Replace class Folder implements AutoCloseable { line n1 with:
B. Replace class Folder extends Closeable { line n1 with:
C. Replace class Folder extends Exception {
D. At line n2, insert: final void close () { System.out.print("Close"); }
E. At line n2, insert: public void close () throws IOException { System.out.print("Close");

Show Suggested Answer

Suggested Answer: static.AC 🗳️

by adnano1234 at Jan. 14, 2020, 9:25 a.m.

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Innovation

Highly Voted 4 years, 12 months ago

A, E is correct D is wrong because we cannot reduce the visibility of the inherited method from AutoCloseable

upvoted 7 times

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Most Recent 10 months, 1 week ago

A,D is the Correct answer In A,E error is coming: error: cannot find symbol public void close () throws IOException { ^ symbol: class IOException location: class Folder 1 error

upvoted 1 times