单项选择题

Given:

What is the result?（）

A.harrier
B.shepherd
C.retriever
D.Compilation fails.
E.retriever harrier
F.An exception is thrown at runtime.

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单项选择题

Given:

If some sort of exception is thrown at line 34, which output is possible?（）

A.a
B.b
C.c
D.ac
E.abc

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;

单项选择题

Given:

What is the result?（）

A.null
B.finally
C.null finally
D.Compilation fails.
E.finally exception