相关考题
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多项选择题
Click the Exhibit button 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： Which command-line invocations will compile？（）
A.javac Mule.java
B.javac -source 1.3 Mule.java
C.javac -source 1.4 Mule.java
D.javac -source 1.5 Mule.java -
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"）； }
