What is the result？（）
A.Hello
B.Hello World
C.Compilation fails.
D.Hello World 5
E.The code runs with no output.
F.An exception is thrown at runtime.
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Which four code fragments， inserted independently at line 7， will compile？（）
A.public void m1（）{}
B.protected void m1（）{}
C.private void m1（）{}
D.void m2（）{}
E.pubic void m2（）{}
F.protected void m2（）{}
G.private void m2（）{}
Which four statments are true？（）
A.Raccoon is-a Mammal.
B.Raccoon has-a Mammal.
C.BabyRaccoon is-a Mammal.
D.BabyRaccoon is-a Raccoon.
E.BabyRaccoon has-a Mammal.
F.BabyRaccoon is-a BabyRaccoon.
What is the result？（）
A.foofoofoofoofoo
B.foobarfoobarbar
C.foobarfoofoofoo
D.foobarfoobarfoo
E.barbarbarbarbar
F.foofoofoobarbar
G.foofoofoobarfoo
What is the result？（）
A.Value is： 8
B.Compilation fails.
C.Value is： 12
D.Value is： -12
E.The code runs with no output.
F.An exception is thrown at runtime.
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.
What is the result？（）
A.13
B.134
C.1234
D.2134
E.2143
F.4321
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 */}
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 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 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
最新试题
What is the output if the main() method is run？（）
Which three will compile and run without exception？（）
Which statement is true？（）
What is the result？（）
What can be a result？（）
Which three changes should be made to adapt this class to be used safely by multiple threads？（）
Which statement is true？（）
Which two are possible results？（）
What is the result？（）
Which statement is true？（）