以下程序的执行结果是______. include c1ass A { public: virtual void funl () 以下程序的执行结果是______.include＜iostream.h＞c1ass A{public：virtual void funl () { cout＜＜"A fun1"＜＜endl；}virtual void fun2 () {cout＜＜"A fun2"＜＜endl;void fun3 () {cout＜＜" A fun 3 "＜＜endl：)void fun4 () {cout＜＜" A fun4 "＜＜endl：}
以下程序的执行结果是______. include< c1ass A { public: virtual void funl ()
以下程序的执行结果是______.
include<＜iostream.h＞
c1ass A
{
public：
virtual void funl () { cout＜＜"A fun1"＜＜endl；}
virtual void fun2 () {cout＜＜"A fun2"＜＜endl;
void fun3 () {cout＜＜" A fun 3 "＜＜endl：)
void fun4 () {cout＜＜" A fun4 "＜＜endl：}
相关考题：
有如下程序：#includeusing namespace std;class Base{public:void funl(){cout"Base\n";}virtual void fun2(){cout"Base\n";}};class Derived:public Base{public:void funl(){cout"Derived\n";}void fun2(){cout"Derived\n";}};void f(Base B ． {b.funl();b.fun2();}, lt;, /Pint main(){Derived obj;f(obj);return 0;}执行这个程序的输出结果是A ． Base BaseB ． Base DerivedC ． Derived BaseD ． Derived Derived
有如下程序: include using namespaee std; class ONE{ public: virtual void f 有如下程序：include ＜iostream＞using namespaee std；class ONE{public：virtual void f( ){cout＜＜"1"；}}；class TWO：public ONE{public：TWO( )1 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；}程序的输出结果是______。
以下程序的执行结果是【】。 include using namespace std; class base { public: virmal 以下程序的执行结果是【 】。include＜iostream＞using namespace std；class base{public：virmal void who(){cout＜＜"Base Class"＜＜endl；)}；class Derivedl:public Base{public：virtual void who(){cout＜＜"Derivedl Class"＜＜endl;}}；class derived2:public Base{public：virtual void who(){cout＜＜"Derived2 Class"＜＜endl；)}；int main(int argc，char*argv[]){base obj1，*P；deliVedl obj2；derived2 obj3；p=obj1； p-＞who()；p=obj2； p-＞who()；p=obj3； p-＞who()；return 0；}
有如下程序: include using namespace std; class A { public: virtual void f(){cout 有如下程序：include＜iostream＞using namespace std;class A{public:virtual void f(){cout＜＜"1";}};class B:public A{public:B (){cout＜＜"2";}};class C:public B{public:virtual void f(){B::f();cout＜＜"3";}};int main(){A aa,*p;B bb;C cc;p=cc;p-＞f();return 0;}执行上面程序的输出是______。
下面程序的运行结果是 include class base{ protected: int a; public: base( ) {c 下面程序的运行结果是#include＜iostream.h＞class base{protected:int a;public:base( ) {cout ＜ ＜ "0";}};class base l: virtual base{public:base l ( ) {cout ＜ ＜"1";}};class base 2: virtual base{public:base2 ( ) {cout ＜ ＜"2";}};class derived: public base 1, public base2{public:derived( ) {cout ＜ ＜ "3";}};void main( ){derive obj;cout ＜ ＜ endl;}A．0123B．3120C．0312D．3012
有如下程序: include using namespace std; class B { public: 有如下程序： #include ＜iostream＞ using namespace std; class B { public: virtual void show() { cout＜＜"B"; } }; class D: public B{ public: void show() { cout＜＜"D"; } }; void fun1(B *ptr) { ptr-＞show();} void fun2(B ref) { ref. show();} void fun3(B b) {b.show();} int main() { B b,*p=new D; D d; fun1(p); fun2(b); fun3(d); return 0; }程序的输出结果是A．BBBB．BBDC．DBBD．DBD
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【 】。
下面程序输出的结果是【 】。 include using namespacc std; class A { public:void sho 下面程序输出的结果是【 】。include ＜iostream＞using namespacc std;class A {public:void show(){tout＜＜"A!";}};class B: public A{public:virtual void show(){cout＜＜"B!";}};class C: public B{public:virtual void show(){cout＜＜"C!";}};void show_info(A *i){i-＞show();}void main(){A ia;B ib;C ic;show_info(ia); show_info(ib);show_info(ic);}
以下程序的执行结果为______。include using namespace std; class base { public: vir 以下程序的执行结果为______。include＜iostream＞using namespace std;class base｛public：virtual void who()｛cout＜＜"base class"＜＜endl;｝｝;class derivel：public base｛public：void who()｛cout＜＜"d
执行这个程序的输出结果是(); include using namespace std; class TestClass1 { publ 执行这个程序的输出结果是( )；include＜iostream＞using namespace std;class TestClass1{public:void fun1(){cout＜＜"TestClass1\n";}virtual void fun2(){cout＜＜"TestClass1\n";}};class TestClass2:public TestClass1{public:void fun1(){cout＜＜"TestClass2\n";}void fun2(){cout＜＜"TestClass2\n";}};void f(TestClass1b){b.fun1();b.fun2();}int main(){TestClass2 obj;f(obj);return 0;}
下面程序的结果是includeclass A{public: A(){cout 下面程序的结果是 #include＜iostream．h＞ class A { public： A(){cout＜＜"construtA" ＜＜endl；} virtual ～A() {cout ＜＜ "destructA" ＜＜endl；}}； class B：public A { }； class C：public A { }； class D：public B，public C { }; void main() { Dd；}A．constructAB．constructAC．constmctAD．constmctA destructA constructA constmctA constructA destructA constructA constructA destructA destructA constructA destructA dest
下列程序的运行结果是______。 include class A { public: virtual void use( ) {cou 下列程序的运行结果是______。include＜iostream.h＞class A{public:virtual void use( ) {cout＜＜"in A\n";}};class B:public A{public:virtual void use( ) {cout＜＜"in B\n";}};class C:public B{public:virtual void use( ){cout"in C\n";}};void main( ){A*obj；bj=new C;obj-＞use( );delete obj;}
有如下程序:includeusing namespace std;class B{public:virtual void show( ){cout 有如下程序： #include＜iostream＞ using namespace std； class B{ public： virtual void show( ){cout＜＜"B"；} }； class D：public B{ public： void show( ){cout＜＜"D"；} }； void funl(B*ptr){ptr-＞show( )；} void fun2(Bref)；ref.show( )；} void fun3(B b){b.show( )；} int nlain( ){ B b，*P=Dew D； D d； funl(p)； fun2(b)； fun3(d)； return 0； } 程序的输出结果是A．BBBB．BBDC．DBBD．DBD
下面程序的输出结果是includeclass A{public: A( ) {cout 下面程序的输出结果是 #include＜iostream.h＞ class A { public: A( ) {cout ＜ ＜ "construtA" ＜ ＜ endl;} Virtual~A( ) {cout ＜ ＜ "destructA" ＜ ＜ endl;}}; class B: public A { }; class C:public A { }; class D:public B,public C { }; void main( ) { D d;}A．constructAB．constructAC．constructAD．constructA destructA constructA constructA constructA destructA constructA constrnctA destructA destructA constructA destructA destructA destructA destrctA destructA destructA
下列程序的运行结果是______。include class Base { public: void f(int x){cout 下列程序的运行结果是______。include＜iostream.h＞class Base{public：void f(int x){cout＜＜“Base：”＜＜x＜＜endl；})；class Derived：public Base{public：void f(char*str){cout＜＜“Derived：”＜＜str＜＜endl；}}；void main(void){Base*pd＝ne
以下程序的执行结果是______。 include class A{ int a: public: void seta(int x) { 以下程序的执行结果是______。include＜iostream.h＞class A{int a：public:void seta(int x) {a=x；}void showa() {cout＜＜a＜＜end1;}};class B{int b；public：void setb(int x) {b=x；}void showb(){cout＜＜b＜＜end1;}}；
以下程序的执行结果是______。 include class base { public: virtual void who(){c 以下程序的执行结果是______。include＜iostream.h＞class base{public：virtual void who(){cout＜＜"base class"＜＜endl：}}；class derrvel:public base{public：void who(){cout＜＜"derivel class"＜＜endl：}};class derive2；public base{public：void who() {cout＜＜"derive2 class"＜＜endl；}}；void main(){base obj1，*P；derive1 obj2；derive2 obj3：p=obj1；p-＞who()；p=obj2：p-＞who()；p=obj3；p-＞who()；}
有如下程序:include using namespace std;class AA{public: virtual void f() {cout 有如下程序: #include ＜iostream＞ using namespace std; class AA { public: virtual void f() { cout＜＜ "AA"; } }; class BB : public AA { public: BB() { cout ＜＜ "BB"; } }; claA．AAB．AABBCCC．BBAABBCCD．BBBBAACC
有如下程序： #includeiostream using namespace std； class Base { public： void funl{cout”Base＼n”；} virtual void fun2{eout”Base＼n”；} }； class Derived：public Base{ public： void funl{eout”Derived、n”；} void fura{eout．”Derived＼n”；} }； void f(BaseB．}b．funl；b．ftm2；} int main { Derived obj； f(obj)； return 0； } 执行这个程序的输出结果是（ ）。A.Base BaseB.Base DerivedC.Derived BaseD.Derived Derived
有如下程序： #inCludeiostream using namespaCe std； Class B{ publiC： virtual void show{Cout”B”；} }； Class D：publiC B{ ． publiC： void show{Cout”D”；} }； void funl(B * ptr){ptr一show；} void fUN2(Bref){ref．show；} voidfhIl3(B B．{b．show；} int main { B b，* P=new D； D d； funl(P)； fun2(B．； fun3(D)； delete P； return 0； } 执行这个程序的输出结果是( )。A.BBBB.BBDC.DBBD.DBD
以下程序执行结果是 ( )。include class Base{public virtual void fun() {cout 以下程序执行结果是 ( )。 #include ＜iostream.h＞ class Base { public virtual void fun() { cout＜＜"B"; } }; class Derived { public: Derived() { cout＜＜"D"; } virtual void fun(){ Base::fun(); cout＜＜"C"; } } int main () { Base *ptr; Derived obj; ptr=obj; p-＞fun ( ); return 0; }A．DBCB．DCBC．BDCD．CBD
下面程序输出的结果是【 】。 include using namespace std; class A { public:virtual 下面程序输出的结果是【 】。include ＜iostream＞using namespace std;class A {public:virtual void show() {cout＜＜"A!";};class B: public A {public:void show() {cout ＜＜ "B!";}};class C: public B{public:void show(){cout ＜＜ "C!";}};void show_info(A i) {i. show();}void main() {A ia; B ib; C ic; show_info(ia);show_info(ib); show_info(ic); }
有以下程序:include using namespace std;class A{public: virtual void show() {cout 有以下程序：include ＜iostream＞using namespace std;class A{public:virtual void show(){cout＜＜"A";}};class B : public A{public:void show(){cout ＜＜ "B";}};void display( A * obj ){obj-＞ show();}int main ( ){A demol;B demo2;display( demol );display( demo2 );return 0;}执行后的输出结果为【 】。
有如下程序:includeusing namespace std;class TestClass{public:virtual void fun1( 有如下程序： #include＜iostream＞ using namespace std; class TestClass { public: virtual void fun1() { cout＜＜"fun1TestClass"; } virtual void fun2() { cout＜＜"fun2TestClass"; } }; class TestClass1:public TestClass { void fun() { cout＜＜"fun1TestClass1"; } void fun2(int x) { cout＜＜"fun2TestClass1"; } }; int main() { TestClass obj1,*p; TestClass1 obj2; p=obj2; p-＞fun1(); p-＞fun2(); return 0; } 该程序执行后的输出结果是( )。A．fun1TestClass1 fun2TestClassB．fun1TestClass1 fun2TestClass1C．fun1TestClass fun2TestClassD．fun1TestClass fun2TestClass1
有如下程序:includeusing namespace std;class B{public:Virtual void show(){cout 有如下程序： #include＜iostream＞ using namespace std； class B{ public： Virtual void show(){cout＜＜“B”；} }； class D：publicB{ public： void show(){cout＜＜“D”；} }； void funl(B*ptr){ptr-＞show()；} void{un2(Bref){ref.show()；} voidA．BBBB．BBDC．DBBD．DBD
以下程序执行后的输出结果是 ( )。include class Basel{public: void fun(){ cout 以下程序执行后的输出结果是 ( )。 #include ＜iostream.h＞ class Basel { public: void fun(){ cout＜＜"Basel"＜＜end1; } }; class Base2 { public: void fun() { cout＜＜"Base2"＜＜end1; } } class Derived : public Basel,public Base2 { }; void main() { Derived Obj; Obj.fun(); }A．BaselB．Base2C．BaselBase2D．程序产生二义性
下列程序的运行结果是______。 include class Base { public: virtual void func(int 下列程序的运行结果是______。include＜iostream.h＞class Base{public:virtual void func(int i){cout＜＜"class Base:"＜＜i＜＜end1;)};class Derived: public Base{public:void func(double d){cout＜＜"class Derived:"＜＜d＜＜endl;}};void main( ){Base a,*p=a;Derived b;p=b;(*p).func(3.3);}