Given: What is the result?()
A.null B.finally C.null finally D.Compilation fails. E.finally exception
单项选择题Given: What is the result?()
A.harrier B.shepherd C.retriever D.Compilation fails. E.retriever harrier
A.1 B.12 C.14 D.123
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"); }