Online Access Free 1Z0-816 Practice Test

Which two statements independently compile? (Choose two.)

• A.List<? extends Number> list = new ArrayList<Byte>();
• B.List<? super Float> list = new ArrayList<Double>();
• C.List<? extends Number> list = new ArrayList<Object>();
• D.List<? super Short> list = new ArrayList<Number>();
• E.List<? super Number> list = new ArrayList<Integer>();

Given:
String originalPath = "data\\projects\\a-project\\..\\..\\another-project"; Path path = Paths.get(originalPath); System.out.print(path.normalize()); What is the result?

• A.data\another-project
• B.data\\projects\\a-project\\..\\..\\another-project
• C.data\projects\a-project\another-project
• D.data\projects\a-project\..\..\another-project

Given:
LocalDate d1 = LocalDate.of(1997,2,7);
DateTimeFormatter dtf =
DateTimeFormatter.ofPattern( /*insert code here*/ );
System.out.println(dtf.format (d1));
Which pattern formats the date as Friday 7th of February 1997?

• A."eeee d+"th of"+ MMMM yyyy"
• B."eeee d'th of' MMMM yyyy"
• C."eeee dd'th of' MMM yyyy"
• D."eeee dd+"th of"+ MMM yyyy"

Given:
public class X {
}
and
public final class Y extends X {
}
What is the result of compiling these two classes?

• A.The compilation fails because a final class cannot extend another class.
• B.The compilation fails because there is no zero args constructor defined in class X.
• C.The compilation fails because either class X or class Y needs to implement the toString() method.
• D.The compilation succeeds.

Given:

and:

Which code, when inserted on line 10, prints the number of unique localities from the roster list?

• A..map(Employee::getLocality)
  .distinct()
  .count();
• B.map(e -> e.getLocality())
  .count();
• C..filter(Employee::getLocality)
  .distinct()
  .count();
• D..map(e -> e.getLocality())
  .collect(Collectors.toSet())
  .count();