Which Man class properly represents th...

单项选择题Which Man class properly represents the relationship "Man has a best friend who is a Dog"?（）

A.class Man extends Dog { }
B.class Man implements Dog { }
C.class Man { private BestFriend dog; }
D.class Man { private Dog bestFriend; }
E.class Man { private Dog<bestFriend>; }
F.class Man { private BestFriend<dog>; }

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6.单项选择题 Given:

Which exception or error will be thrown when a programmer attempts to run this code?（）

A.java.lang.StackOverflowError
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C.java.lang.ExceptionInInitializerError
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What is the result?（）

A.B
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C.Compilation fails because of an error in line 12.
D.Compilation fails because of an error in line 15.
E.Compilation fails because of an error in line 18.

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8.单项选择题 Given:

What is the result?（）

A.The value "4" is printed at the command line.
B.Compilation fails because of an error in line 5.
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9.单项选择题 Click the Exhibit button. Given:Which statement is true if a TestException is thrown on line 3 of class B? （）

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