A.NullPointerException is thrown at line 4.

B.NullPointerException is thrown at line 10.

C.A compilation error occurs.

D.Hello

A.2134

B.2143

C.214

D.234

A.Function function = String::toUpperCase;

B.UnaryOperator function = s > s.toUpperCase();

C.UnaryOperator<String> function = String::toUpperCase;

D.Function<String> function = m > m.toUpperCase();

A.Option D

B.Option A

C.Option C

D.Option B

A.catch(IOException e) { }

B.catch(FileNotFoundException e) { }catch(IndexOutOfBoundsException e) { }

C.catch(FileNotFoundException | IOException e) { }

D.catch(IndexOutOfBoundsException e) { }catch(FileNotFoundException e) { }

E.catch(FileNotFoundException | IndexOutOfBoundsException e) { }