Given a method that must ensure that its parameter is not null:
11. public void someMethod(Object value) {
12. // check for null value
…
20. System.out.println(value.getClass());
21. }
What, inserted at line 12, is the appropriate way to handle a null value?
A.
assert value == null;
B.
assert value != null, “value is null”;
C.
if (value == null) { throw new AssertionException(“value is null”); }
D.
if (value == null) { throw new IllegalArgumentException(“value is null”); }
D