单项选择题

Given:

What is the result?()

A.2
B.3
C.4
D.6
E.7

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单项选择题
Given: 10.interface Data { public void load(); } 11.abstract class Info { public abstract void load(); }  Which class correctly uses the Data interface and Info class?()

A.
B.
C.
D.

单项选择题
Click the Exhibit button. What is the result?()

A.Compilation of class A fails.
B.Line 28 prints the value 3 to System.out.
C.Line 28 prints the value 1 to System.out.
D.A runtime error occurs when line 25 executes.
E.Compilation fails because of an error on line 28.

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