Java SE 8 Programmer II 1Z0-809 Certification Exam: Online Practice Test

a) The Customer class cannot be extended.

c) Subclasses of Customer cannot override getName() method.

d) Concrete subclasses of Customer must use a default constructor.

f) Subclasses of Customer must implement the buy() method.

a) If a.equals(b) is true, a.hashCode() == b.hashCode() is always true.

b) If a.equals(b) is true, a.hashCode() == b.hashCode() is sometimes but not always true.

c) If a.equals(b) is false, a.hashCode() == b.hashCode() can never be true.

b) T IOE F

c) T IOE 1 F

d) Compilation fails.

a) Path p = new Path(fName);

c) Path p = Paths.toPath(fName);

d) Path p = Paths.get(new File(fName));