Online Access Free Oracle.1z1-819.v2022-08-12.q124 Practice Test (Page 20)

1z1-819 Exam Question 91

Given:

Which two statements are true if the method is added to Bar? (Choose two.)

A.public <T> Collection<T> bar(Collection<T> arg) { ... } overloads Foo.foo.

B.public <T> Collection<T> foo(Collection<T> arg) { ... } overloads Foo.foo.

C.public <T> Iterable<T> foo(Collection<T> arg) { ... } overrides Foo.foo.

D.public Collection<String> foo(Collection<String> arg) { ... } overrides Foo.foo.

E.public <T> Collection<T> foo(Stream<T> arg) { ... } overloads Foo.foo.

F.public <T> List<T> foo(Collection<T> arg) { ... } overrides Foo.foo.

1z1-819 Exam Question 92

Given:

What is the output?

A.null

B.A NoSuchElementException is thrown at run time.

C.Duke

D.A NullPointerException is thrown at run time.

1z1-819 Exam Question 93

Given:

Which statement on line 1 enables this code to compile?

A.Function<Integer, Integer> f = n > n * 2;

B.Function<Integer> f = n > n * 2;

C.Function<int> f = n > n * 2;

D.Function<int, int> f = n > n * 2;

E.Function f = n > n * 2;

1z1-819 Exam Question 94

Given:

Which two lines inserted in line 1 will allow this code to compile? (Choose two.)

A.void walk(){}

B.protected void walk(){}

C.abstract void walk();

D.private void walk(){}

E.public abstract void walk();

1z1-819 Exam Question 95

A company has an existing sales application using a Java 8 jar file containing packages:
com.company.customer;
com.company.customer.orders;
com.company.customer.info;
com.company.sales;
com.company.sales.leads;
com.company.sales.closed;
com.company.orders;
com.company.orders.pending;
com.company.orders.shipped.
To modularize this jar file into three modules, customer, sales, and orders, which module-info.java would be correct?
A)