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Oracle

1Z0-809 · Question #213

1Z0-809 Question #213: Real Exam Question with Answer & Explanation

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Question

Given:
public class Vehicle {
 int vid;
 String vName;
 public Vehicle(int vIdArg, String vNameArg) {
 this.vid = vIdArg;
 this.vName = vNameArg;
 }
 public int getVId() { return vid; }
 public String getVName() { return vName; }
 public String toString() { return vName; }
}
and the code fragment:
List<Vehicle> vehicle = Arrays.asList(
 new Vehicle(2, "Car"),
 new Vehicle(3, "Bike"),
 new Vehicle(1, "Truck"));
vehicle.stream()
 // line n1
 .forEach(System.out::print);
Which two code fragments, when inserted at line n1 independently, enable the code to print TruckCarBike?

Options

  • A.sorted((v1, v2) -> v1.getVId() - v2.getVId())
  • B.sorted(Comparable.comparing(Vehicle::getVName()).reversed())
  • C.map(v -> v.getVId())
  • D.sorted((v1, v2) -> Integer.compare(v1.getVId(), v2.getVId()))
  • E.sorted(Comparator.comparing((Vehicle v) -> v.getVId()))

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