单项选择题

Given: What is the result?（）……

Given:

What is the result?（）

A.Compilation fails because of an error in line 7.
B.Compilation fails because of an error in line 9.
C.If you define D e = new E(), then e.bMethod() invokes the version of bMethod() defined in Line 5.
D.If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 5.
E.If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 9.

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热门试题

单项选择题Given: What is the result?（）

A.r，t，t，
B.r，e，o，
C.Compilation fails.
D.An exception is thrown at runtime.

单项选择题Given: When the doSomething method is called, after which line does the Object created in line 5 become available for garbage collection?（）

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

单项选择题Given: What is the result?（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.doStuff x = 6 main x = 6
D.doStuff x = 5 main x = 5
E.doStuff x = 5 main x = 6
F.doStuff x = 6 main x = 5

单项选择题Given: What is the result?（）

A.Compilation fails.
B.An exception is thrown at runtime.
C.The attribute id in the ItemTest object remains unchanged.
D.The attribute id in the ItemTest object is modified to the new value.
E.A new ItemTest object is created with the preferred value in the id attribute.

单项选择题Given classes defined in two different files : What is required at line 5 in class SomeApp to use the process method of BitUtils?（）

A.process（bytes）；
B.BitUtils.process（bytes）；
C.app.BitUtils.process（bytes）；
D.Util.BitUtils.process（bytes）；
E.Importutil.BitUtils.*；process（bytes）；
F.Some App can not use the process method in BitUtils.