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"); }
出自:Oracle认证