classOne{voidfoo(){}}classTwoextendsOne{／／insertmethodhere}Whichthreemethods,insertedindividuallyatline14,willcorrectlycompleteclassTwo?() A.intfoo（）{/*morecodehere*/}B.voidfoo（）{/*morecodehere*/}C.publicvoidfoo（）{/*morecodehere*/}D.privatevoidfoo（）{/*morecodehere*/}E.protectedvoidfoo（）{/*morecodehere*/}
classOne{voidfoo(){}}classTwoextendsOne{／／insertmethodhere}Whichthreemethods,insertedindividuallyatline14,willcorrectlycompleteclassTwo?()
A.intfoo（）{/*morecodehere*/}
B.voidfoo（）{/*morecodehere*/}
C.publicvoidfoo（）{/*morecodehere*/}
D.privatevoidfoo（）{/*morecodehere*/}
E.protectedvoidfoo（）{/*morecodehere*/}
相关考题：
有如下程序: include using namespace std; class ONE { public: virtual void f() { 有如下程序：include ＜iostream＞using namespace std;class ONE{public:virtual void f() { cout ＜＜ "1"; }};class TWO: public ONE{public:TWO() { cout ＜＜ "2"; }};class THREE: public TWO{public:virtual void f() {TWO::f(); cout ＜＜ "3"; }};int main(){ONE aa, *p;TWO bb;THREE cc;p=cc;P-＞f();return 0;}执行上面程序的输出是【 】。
classOne{publicOne（）{System.out.print（1）；}}classTwoextendsOne{publicTwo（）{System.out.print（2）；}}classThreeextendsTwo{publicThree（）{System.out.print（3）；}}publicclassNumbers{publicstaticvoidmain（String[]argv）{newThree（）；}}Whatistheresultwhenthiscodeisexecuted？（）A.1B.3C.123D.321E.Thecoderimswithnooutput.
classOne{publicOnefoo(){returnthis;}}classTwoextendsOne{publicOnefoo(){returnthis;}}classThreeextendsTwo{／／insertmethodhere}Whichtwomethods,insertedindividually,correctlycompletetheThreeclass?() A.publicvoidfoo（）{}B.publicintfoo（）{return3；}C.publicTwofoo（）{returnthis；}D.publicOnefoo（）{returnthis；}E.publicObjectfoo（）{returnthis；}
ClassOne.javapackagecom.abc.pkg1；publicclassClassOne{privatecharvar=‘a‘；chargetVar（）{returnvar；}}ClassTest.javapackagecom.abc.pkg2；importcom.abc.pkg1.ClassOne；publicclassClassTestextendsClassOne{publicstaticvoidmain（Stringargs）{chara=newClassOne（）.getVar（）；charb=newClassTest（）.getVar（）；}}Whatistheresult？（）A.Compilationwillfail.B.Compilationsucceedsandnoexceptionsarethrown.C.Compilationsucceedsbutanexceptionisthrownatline5inClassTest.java.D.Compilationsucceedsbutanexceptionisthrownatline6inClassTest.java.
Given: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 */ }
Given:10.classOne{11.voidfoo(){}12.}13.classTwoextendsOne{14.／／insertmethodhere15.}Whichthreemethods,insertedindividuallyatline14,willcorrectlycompleteclassTwo?() A.publicvoidfoo（）{/*morecodehere*/}B.privatevoidfoo（）{/*morecodehere*/}C.protectedvoidfoo（）{/*morecodehere*/}D.intfoo（）{/*morecodehere*/}E.voidfoo（）{/*morecodehere*/}
有下列程序:includeusing namespace std;class ONE{ public:virtual void f(){COUt 有下列程序：include＜iostream＞using namespace std;class ONE{public:virtual void f(){COUt＜＜"1";}};c1assTWO:public ONE{public:TWO(){cout＜＜"2";}};class THREE:public TWO{pub
类class one 在声明func 成员函数时发生错误，出错原因是【 】。Class one{private:int a;public:void func(two )};class two{private:int b;friend void one: :func(two );};void one: : func(two r)a=r.b;}