A.Compilation fails.
B.pi is bigger than 3.
C.An exception occurs at runtime.
D.pi is bigger than 3. Have a nice day.
E.pi is not bigger than 3. Have a nice day.

A.no output
B.no output assert is on
C.assert is on
D.no output ， An Assertion Error is thrown.
E.assert is on ， An AssertionError is thrown.

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.

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

A.test end
B.Compilation fails.
C.test runtime end
D.test exception end
E.A Throwable is thrown by main at runtime.

A.0.0
B.Compilation fails.
C.A ParseException is thrown by the parse method at runtime.
D.A NumberFormatException is thrown by the parse method at runtime.

A.Line 16
B.Line 17
C.Line 18
D.Line 19
E.The object is NOT a candidate for garbage collection.

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

A.Line 5
B.Line 6
C.Line 7
D.Line 8
E.Line 9
F.Line 10

A.null
B.zero
C.some
D.Compilation fails.
E.An exception is thrown at runtime.