单项选择题

Given:

What is the result?（）

A.Compilation succeeds.
B.Exactly one class does NOT compile.
C.Exactly two classes do NOT compile.
D.Exactly four classes do NOT compile.
E.Exactly three classes do NOT compile.

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单项选择题
Click the Exhibit button. Which statement is true about the classes and interfaces in the exhibit?（）

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
多项选择题
Given: Which three methods, inserted individually at line 14, will correctly complete class Two?（）

A.int foo() { /* more code here */ }
B.void foo() { /* more code here */ }
C.public void foo() { /* more code here */ }
D.private void foo() { /* more code here */ }
E.protected void foo() { /* more code here */ }
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