Online Access Free Oracle.1Z0-819.v2022-11-01.q181 Practice Test (Page 17)

1Z0-819 Exam Question 76

Assuming the Widget class has a getPrice method, this code does not compile:

Which two statements, independently, would allow this code to compile? (Choose two.)

A.Replace line 5 with widgetStream.filter((Widget a) > a.getPrice() > 20.00).

B.Replace line 5 with widgetStream.filter(a > ((Widget)a).getPrice() > 20.00).

C.Replace line 4 with Stream<Widget> widgetStream = widgets.stream();.

D.Replace line 1 with List<Widget> widgetStream = widgets.stream();.

1Z0-819 Exam Question 77

Given:

Which statement is equivalent to line 1?

A.double totalSalary = list.stream().map(e > e.getSalary() * ratio).reduce (bo).ifPresent (p > p.doubleValue());

B.double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).sum;

C.double totalSalary = list.stream().map(Employee::getSalary * ratio).reduce (bo).orElse(0.0);

D.double totalSalary = list.stream().mapToDouble(e > e.getSalary() * ratio).reduce(starts, bo);

1Z0-819 Exam Question 78

Given:

What is the output?

A.:APPLE:ORANGE:BANANA
appleorangebanana

B.:APPLE:ORANGE:BANANA

C.APPLE:apple ORANGE:orange BANANA:banana

D.appleorangebanana
:APPLE:ORANGE:BANANA

E.apple:APPLE orange:ORANGE banana:BANANA

1Z0-819 Exam Question 79

A company has an existing Java app that includes two Java 8 jar files, sales-3.10. jar and clients-10.2.jar.
The jar file ,sales -8, 10, jar reference packages in clients -10.2 jar, but clients-10.2 jar does not reference packages in sales -8.10, jar.
They have decided to modularize clients-10.2.jar.
Which module-info. Java file would work for the new library version clients-10.3 jar?
A)