Given: Which four statements 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.
单项选择题Given: What is the result?()
A.foofoofoofoofoo B.foobarfoobarbar C.foobarfoofoofoo D.foobarfoobarfoo E.barbarbarbarbar
单项选择题Click the Exhibit button. What is the result?()
A.Value is: 8 B.Compilation fails. C.Value is: 12 D.Value is: -12
A.Compilation fails because of an error in line 3. B.Compilation fails because of an error in line 7. C.Compilation fails because of an error in line 9. D.If you define D e = new E(), then e.bMethod() invokes the version of bMethod() defined in Line 5. E.If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 5. F.If you define D e = (D)(new E()), then e.bMethod() invokes the version of bMethod() defined in Line 9.
单项选择题Given: 11.String test = Test A. Test B. Test C. ; 12. insert code here 13.String[] result = test.split(regex); Which regular expression, inserted at line 12,correctly splits test into Test A , Test B ,and Test C ?()
A.String regex = ""; B.String regex = " "; C.String regex = ".*"; D.String regex = "\\s"; E.String regex = "\\.\\s*";
单项选择题Given: If the user types the password aiko when prompted, what is the result?()
A.password:got B.password:got aiko C.password:aikogot aiko D.An exception is thrown at runtime. E.Compilation fails due to an error on line 8.