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 1 with List<Widget> widgetStream = widgets.stream();.
• B.Replace line 5 with widgetStream.filter((Widget a) > a.getPrice() > 20.00).
• C.Replace line 5 with widgetStream.filter(a > ((Widget)a).getPrice() > 20.00).
• D.Replace line 4 with Stream<Widget> widgetStream = widgets.stream();.

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Given:

Which two are correct? (Choose two.)

• A.Option D
• B.Option A
• C.Option C
• D.Option B

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Given the code fragment:

Which can replace line 11?

• A.UnaryOperator<Interger >uo = (int x) -> x * 3;
• B.UnaryOperator<Interger > uo = (var x ) -> (x * 3);
• C.UnaryOperator<Interger >uo = x -> { return x * 3; };
• D.UnaryOperator<Interger >uo = var x -> { return x 3 ; };

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There is a copyServiceAPI that has the org.copyservice. spi. Copy interface To use this service in a module, which module- info.java would be correct?
A)

B)

C)

D)

• A.Option D
• B.Option A
• C.Option B
• D.Option C

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Given:

It is required that if p instanceof Pair then p.isValid() returns true.
Which is the smallest set of visibility changes to insure this requirement is met?

• A.left, right, setLeft, and setRight must be private.
• B.left and right must be private.
• C.isValid must be public.
• D.setLeft and setRight must be protected.

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