单项选择题

Click the Exhibit button. What is the result?（）

A.4321
B.0000
C.An exception is thrown at runtime.
D.Compilation fails because of an error in line 18.

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多项选择题

Given: Which two methods, inserted independently at line 17, correctly complete the Sales class?（）

A.double getSalesAmount() { return 1230.45; }
B.public double getSalesAmount() { return 1230.45; }
C.private double getSalesAmount() { return 1230.45; }
D.protected double getSalesAmount() { return 1230.45; }

单项选择题

Given: What is the result?（）

A.Afoo Afoo
B.Afoo Bfoo
C.Bfoo Afoo
D.Bfoo Bfoo
E.Compilation fails.
F.An exception is thrown at runtime.