单项选择题
Given:
What is the result?（）
A.Compilation fails.
B.An exception is thrown at runtime.
C.The code executes normally and prints "sleep".
D.The code executes normally, but nothing is printed.
相关考题
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单项选择题
Given: Which is true?（）
A.If line 10 is removed, the compilation succeeds.
B.If line 11 is removed, the compilation succeeds.
C.If line 12 is removed, the compilation succeeds.
D.If line 13 is removed, the compilation succeeds.
E.More than one line must be removed for compilation to succeed. -
单项选择题
Given: Which statement is true?（）
A.420 is the output.
B.An exception is thrown at runtime.
C.All constructors must be declared public.
D.Constructors CANNOT use the private modifier.
E.Constructors CANNOT use the protected modifier. -
单项选择题
A team of programmers is reviewing a proposed API for a new utility class. After some discussion,they realize that they can reduce the number of methods in the API without losing any functionality.If they implement the new design, which two OO principles will they be promoting?（）
A.Looser coupling
B.Tighter coupling
C.Lower cohesion
D.Higher cohesion
E.Weaker encapsulation
F.Stronger encapsulation
