单项选择题
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.13B.134C.1234D.2134E.2143F.4321
A.13 B.134 C.1234 D.2134 E.2143 F.4321
Which three methods， inserted individually at line 14， ...
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 */}
Which three are true？（） A.Cat is-a AnimalB.Cat is-a Jum...
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
