Given: 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.public void m2() { } F.protected void m2() { }
单项选择题Given: What is the result?()
A.The code runs with no output. B.An exception is thrown at runtime. C.Compilation fails because of an error in line 20. D.Compilation fails because of an error in line 21. E.Compilation fails because of an error in line 23. F.Compilation fails because of an error in line 25.
多项选择题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.
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.