问题:
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”);
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?()
● 参考解析
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