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Question : 2

Total: 6

Given a method that must ensure that its parameter is not null:

1. public void someMethod(Object value) {
2.   /*check for null value*/
...
3.   System.out.println(value.getClass());
4. }

What, inserted at line 2, is the appropriate way to handle a null value?

assert value == null;
assert value != null, "value is null";
if (value == null) { throw new AssertionException("value is null"); }
if (value == null) { throw new IllegalArgumentException("value is null"); }

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