多项选择题

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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Which three are true？（） A.Cat is-a AnimalB.Cat is-a Jum...

多项选择题

Which three are true？（）

A.Cat is-a Animal
B.Cat is-a Jumper
C.Dog is-a Animal
D.Dog is-a Jumper
E.Cat has-a Animal
F.Beagle has-a Tail
G.Beagle has-a Jumper

What is the result？（） A.420 is the output.B.An exceptio...

单项选择题

What is the result？（）

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.

A company has a business application that provides its ...

多项选择题

A company has a business application that provides its users with many different reports： receivables reports， payables reports， revenue projects， and so on.The company has just purchased some new， state-of-the-art，wireless printers， and a programmer has been assigned the task of enhancing all of the reports to use not only the company’s old printers， but the new wireless printers as well.When the programmer starts looking into the application， the programmer discovers that because of the design of the application， it is necessary to make changes to each report to support the new printers.
Which two design concepts most likely explain the situation？（）

A.Inheritance
B.Low cohesion
C.Tight coupling
D.High cohesion
E.Loose coupling
F.Object immutablility

SCJP程序员认证考试

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