Oracle
1Z0-819 · Question #46
1Z0-819 Question #46: Real Exam Question with Answer & Explanation
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Question
Given:
public class Main {
public static void main(String[] args) {
String str = Value.orElse("Duke");
System.out.println(str);
}
static Optional<String> createValue() {
String s = null;
return Optional.ofNullable(s);
}
}
What is the output?
Options
- Anull
- BA NoSuchElementException is thrown at run time.
- CDuke
- DA NullPointerException is thrown at run time.
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