單項(xiàng)選擇題

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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多項(xiàng)選擇題

Which two classes use the Shape class correctly？（）

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

單項(xiàng)選擇題

What is the result？（）

A.1
B.12
C.14
D.123
E.Compilation fails.
F.An exception is thrown at runtime.

Which statement is true about the classes and interfaces？（）

你可能感興趣的試題

Which two classes use the Shape class correctly？（）

What is the result？（）

Which statement is true about the classes and interfaces？（）

Which two classes use the Shape class correctly？（）