单项选择题
Assuming that the serializeBanana() and the deserializeBanana() methods will correctly use Java serialization and given：
What is the result？（）
A.restore 400
B.restore 403
C.restore 453
D.Compilation fails.
E.An exception is thrown at runtime.
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多项选择题
Which two statements are true if a NullPointerException is thrown on line 3 of class C？（）
A.The application will crash.
B.The code on line 29 will be executed.
C.The code on line 5 of class A will execute.
D.The code on line 5 of class B will execute.
E.The exception will be propagated back to line 27. -
单项选择题
Given a method that must ensure that its parameter is not null： 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"）； } -
多项选择题
Which two code fragments are most likely to cause a StackOverflowError？（）
A.A
B.B
C.C
D.D
E.E
F.F
