A.Closing an open stream.
B.Flushing an open stream.
C.Writing to an open stream.
D.Writing a line separator to an open stream.

A.restore 400
B.restore 403
C.restore 453
D.Compilation fails.
E.An exception is thrown at runtime.

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.

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"）；   }

A.A
B.B
C.C
D.D
E.E
F.F

A.X， followed by an Exception.
B.No output， and an Exception is thrown.
C.Compilation fails due to an error on line 14.
D.Compilation fails due to an error on line 16.
E.Compilation fails due to an error on line 17.
F.X， followed by an Exception， followed by B

A.test
B.Exception
C.Compilation fails.
D.NullPointerException

A.Line 92 will not execute.
B.The connection will not be retrieved in line 85.
C.The resource connection will not be closed on line 88.
D.The enclosing method will throw an exception to its caller.

A.Compilation fails.
B.ClassC is displayed.
C.The code runs with no output.
D.An exception is thrown at runtime.

A.Compilation succeeds.
B.class A does not compile.
C.The method declared on line 9 cannot be modified to throw TestException.
D.TestA compiles if line 10 is enclosed in try/catch block that catches TestException.

A.end
B.Compilation fails.
C.exception end
D.exception test end
E.A Throwable is thrown by main.
F.An Exception is thrown by main.