A.to process the current item and return void

B.to remove an item from the end of the stream

C.to process the current item and return a stream

D.to remove an item from the beginning of the stream

A.NumberFormat formatter = NumberFormat.getCurrency(locale);

B.NumberFormat formatter = NumberFormat.getCurrencyInstance(locale);

C.NumberFormat formatter = NumberFormat.getInstance(locale);

D.NumberFormat formatter = NumberFormat.getInstance(locale).getCurrency();

A.HelloHello WorldHelloWorld

B.Hello WorldHello World

C.Hello World Hello World

D.Hello WorldHelloWorld

E.An exception is thrown at runtime.

A.[0,0] = Red[0,1] = White[1,0] = Black[1,1] = Blue[2,0] = Yellow[2,1] = Green[3,0] = Violet

B.[0,0] = Red[1,0] = Black[2,0] = Blue

C.java.lang.ArrayIndexOutOfBoundsException thrown

D.[0,0] = Red[0,1] = White[1,0] = Black[2,0] = Blue[2,1] = Yellow[2,2] = Green[2,3] = Violet

A.public List<Integer> foo(Set<String> m) { ... }

B.public List<Integer> foo(Set<CharSequence> m) { ... }

C.public List<Integer> foo(TreeSet<String> m) { ... }

D.public ArrayList<Number> foo(Set<CharSequence> m) { ... }

E.public List<Object> foo(Set<CharSequence> m) { ... }

F.public ArrayList<Integer> foo(Set<String> m) { ... }