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

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

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

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

A.10

B.nothing

C.0 4 9

D.0

A.private void walk(){}

B.abstract void walk();

C.void walk(){}

D.protected void walk(){}

E.public abstract void walk();

A.ArrayIndexOutOfBounds Exception is thrown at runtime.

B.The compilation fails.
[0). D, | 1). i, | 2). a]

C.

D.[0). o, | 1). i, | 2). r]

E.[). o, | 1). a, | 2).]

A.Car--red--My

B.Myclass--Car--red

C.My--Car--is

D.java--Myclass--My

E.My--is--java