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單項(xiàng)選擇題

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 = 6 main x = 7
E.doStuff x = 7 main x = 6

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單項(xiàng)選擇題

Given：

What is the result？（）

A.1
B.2
C.12
D.Compilation fails.
E.No output is produced.
F.An exception is thrown at runtime.

單項(xiàng)選擇題

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