單項(xiàng)選擇題

What is the result？（）

A.An exception is thrown at runtime.
B.Compilation fails because of an error in line 7.
C.Compilation fails because of an error in line 4.
D.Compilation succeeds and no runtime errors with class A occur.

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單項(xiàng)選擇題

What is the result？（）

A.13
B.134
C.1234
D.2134
E.2143
F.4321

多項(xiàng)選擇題

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 */}

What is the result？（）

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What is the result？（）

Which three methods， inserted individually at line 14， will correctly complete class Two？（）

What is the result？（）

Which three methods， inserted individually at line 14， will correctly complete class Two？（）