单项选择题
Given: Which code, inserted at line 16, will cause a java.lang.ClassCastException?（）
A.Alpha a = x; B.Foo f = (Delta)x; C.Foo f = (Alpha)x; D.Beta b = (Beta)(Alpha)x;
Given: What is the result?（）A.nullB.finallyC.null fina...
Given: What is the result?（）
A.null B.finally C.null finally D.Compilation fails. E.finally exception
Given: What is the result when the go() method is invo...
Given: What is the result when the go() method is invoked?（）
A.00 B.0001 C.000120 D.00012021 E.Compilation fails. F.An exception is thrown at runtime.
Given: Under which three circumstances will the code o...
多项选择题
Given: Under which three circumstances will the code on line 37 be executed?（）
A.The instance gets garbage collected. B.The code on line 33 throws an exception. C.The code on line 35 throws an exception. D.The code on line 31 throws an exception. E.The code on line 33 executes successfully.
