I've _________ in the school for a year now, and I really love my students. [ ]
A.
worked
B.
arrived
C.
joined
D.
come
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【单选题】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...
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"); }
【单选题】 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”);