单项选择题
Which statement is true about the classes and interfaces？（）
A.Compilation will succeed for all classes and interfaces.
B.Compilation of class C will fail because of an error in line 2.
C.Compilation of class C will fail because of an error in line 6.
D.Compilation of class AImpl will fail because of an error in line 2.
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相关考题
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多项选择题
Which two classes use the Shape class correctly？（）
A.A
B.B
C.C
D.D
E.E
F.F -
单项选择题
What is the result？（）
A.1
B.12
C.14
D.123
E.Compilation fails.
F.An exception is thrown at runtime. -
单项选择题
What is the result？（）
A.Compilation fails.
B.Cannot add Toppings
C.The code runs with no output.
D.A NullPointerException is thrown in Line 14.
