单项选择题
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.
Which four code fragments， inserted independently at li...
多项选择题
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....
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.foofoofoofoofooB.foobarfoobarba...
A.foofoofoofoofoo B.foobarfoobarbar C.foobarfoofoofoo D.foobarfoobarfoo E.barbarbarbarbar F.foofoofoobarbar G.foofoofoobarfoo
