A.A, because it sends exactly the value of user provided by the calling code.

B.A, because it is unnecessary to enclose identifiers in quotes.

C.B, because all values provided by the calling code should be enquoted.

D.B, because enquoting values provided by the calling code prevents SQL injection.

E.A and B are functionally equivalent.

A.java.lang.IllegalAccessException is thrown.

B.null

C.Student

D.It fails to compile.

E.nothing

A.String result = fruits.stream().filter(f -> f.contains("n")).findAny();

B.fruits.stream().filter(f -> f.contains("n")).forEachOrdered(System.out::print);

C.Optional<String> result = fruits.stream().filter(f -> f.contains ("n")).findFirst ();

D.Optional<String> result = fruits.stream().anyMatch(f -> f.contains("n"));

A.Assume inputs have already been validated.

B.Modify the input values, as needed, to pass validation.

C.Use trusted domain-specific libraries to validate inputs.

D.Delegate numeric range checking of values to the database.

E.Accept only valid characters and input values.

A.NullPointerException is thrown at line 4.

B.NullPointerException is thrown at line 10.

C.A compilation error occurs.

D.Hello