下列程序的运行结果是( )。 #includeiostream.h class A { int a; public: A{a=0;} A(int aA. { a=aa; couta++: } }; void main { A X,Y(2),z(3); coutendl: }A.00B.23C.34D.25
下列程序的运行结果是( )。 #include<iostream.h> class A { int a; public: A{a=0;} A(int aA. { a=aa; cout<<a++: } }; void main { A X,Y(2),z(3); cout<<endl: }
A.00
B.23
C.34
D.25
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有以下程序: included using namespace std; class Base { public: Base( ) { x=0; } 有以下程序:included<iostream>using namespace std;class Base{public:Base( ){x=0;}int x;};class Derived1:virtual public Base{public:Derived1( ){x=10;}};class Derived2:virtual public Base{public:Derived2( ){x=20;}};class Derived: public Derived1,protected Derived2{ };int main( ){Derived obj;cout<<obj. x<<endl;return 0;}该程序运行后的输出结果是______。
下列程序的运行结果是【】。include class A{ int a, b; public: A() {a=b=0;} A(int 下列程序的运行结果是【 】。include <iostream. h>class A{int a, b;public:A() {a=b=0;}A(int aa, int bb){a=aa; b=bb;cout<<a<<''<<b<<end1;}};void main(){ A x, y(2,3),z(4,5); }
( 30 )有如下程序:#includeiostreamusing namespace std;class Base{public:Base(int x=0){coutx;}};class Derived:public Base{public:Derived(int x=0){coutx;}private:Base val;};int main(){Derived d(1);return 0;}程序的输出结果是A ) 0B ) 1C ) 01D ) 001
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:includeusing namespace std;class A{public:static int a;void init(){a 有如下程序: #include<iostream> using namespace std; class A{ public: static int a; void init(){a=1;} A(int a=2){init(); a++;} }; int A::a=0; A obj; int main() { cout<<obj.a; return 0; 运行时输出的结果是( )。A.0B.1C.2D.3
有如下程序: include using namespace std; class Base { public: 有如下程序: #include <iostream> using namespace std; class Base { public: Base(int x=0) { cout<<x; } } class Derived: public Base{ public: Derived(int x=0) { cout<<x; } private: Base val; }; int main() { Derived d(1); return 0; }程序的输出结果是A.0B.1C.1D.1
下列程序的运行结果是【 】。 include class test { private: int num; public: tes 下列程序的运行结果是【 】。include <iostream. h>class test{private:int num;public:test()int TEST() {return num+100;}~test()};test::test(){num=0;}test::~test(){cout<<"Destructor is active"<<endl;}void main(){test x[3]cout<<x[1]. TEST()<<endl;}
下列程序的运行结果是【】。 include class Sample {int x,y;public:Sample() {x=y=0 下列程序的运行结果是【 】。include <iostream. h>class Sample {int x,y;public:Sample() {x=y=0; }Sample(int a, int b) {x=a;y=b;}void disp() {cout<<" x=" <<x<<" , y="<<y<<end1;}};void main() {Sample s1, s2(1, 2);s1. disp0;s2. disp ();}
下面程序的运行结果是()。includeclass base{protected:int a;public:base(){cout 下面程序的运行结果是( )。 #include<iostream.h> class base{ protected: int a; public: base(){cout<<“0”;} }; Class basel:Virtual base{ public: basel(){cout<<“1”;} }; Class base2:virtual base{ public: base2(){cout<<“2”;)A.0123B.3120C.0312D.3012
有如下程序:includeusing namespace std;class Base{public:Base(int x=0){cout 有如下程序: #include<iostream> using namespace std; class Base{ public: Base(int x=0){cout<<x;} }; class Derived:public Base{ public: Derived(int x=0){cout<<x;} private: Base val; }; int main( ){ Derived d(1); return 0; } 程序的输出结果是A.0B.1C.01D.001
若有以下程序:include using namespace std;class Base{public: Base ( ) {x=0; } in 若有以下程序: #include <iostream> using namespace std; class Base { public: Base ( ) { x=0; } int x; }; class Derivedl : virtual public Base { public: Derivedl () { x=10; } }; class Derived2 : virtual public Base { public: Derived2 () { x=20; } }; class Derived : public Derivedl,protected Derived2{ }; int main ( ) { Derived obj; cout<<obj .x<<end1; return 0; } 该程序运行后的输出结果是 ( )。A.20B.30C.10D.0
下列程序的运行结果是 includeclass Location{private:int X.Y;public:void init(i 下列程序的运行结果是 #include<iostream.h> class Location{ private: int X.Y; public: void init(int=0,int=0); void valueX(int val){X=val;} int valueX( ){ return X;} void valueYA.5 0 6 4B.0 0 6 4C.5 0 6 2D.0 0 6 2
下列程序的运行结果是()。includeclass A{inta;public:A( ){a=0;}A(int aa){a=aa;co 下列程序的运行结果是( )。 #include<iostream.h> class A { inta; public: A( ){a=0; } A(int aa) { a=aa; cout<<a++; } }; void main() { A x,y (2),z (3): cout<<endl; }A.0B.23C.34D.25
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
下面程序的输出结果是【】。include using namespace std; class base { protected: int 下面程序的输出结果是【 】。include <iostream>using namespace std;class base{protected:int a;public:base(){cout<<"0":}};class basel: virtual public base{public:base1(){ cout<<"1";}};class base2 : virtual public base{public:base2(){cout<<"2";}};class derived : public base1,public base2{public:derived () {cout<<"3"; }}int main (){derived obj;cout<<end1;return 0;}
下面程序的运行结果是includeclass base{protected:int a;public:base( ){cout 下面程序的运行结果是 #include<iostream.h> class base{ protected: int a; public: base( ){cout<<"0";} }; class basel:virtual base { public: base1( ){cout<<"1";} }; class base2:virtual base{ public:A.123B.3120C.312D.3012
下面程序的输出结果是【】。 include using namespace std; class A {int a,b; public:A 下面程序的输出结果是【 】。include <iostream>using namespace std;class A{int a, b;public:A(){a = b = 0;}A(int aa, int bb ) : a(aA) , b(bB){cout <<"a="<<a<<","<<"b="<<b<<",";}~A(){cout<<"D";};int main ( ){A x, y(2, 3);return 0;}
下列程序的运行结果是【 】。includeclass Sample{int a;public: Sample(int aa=0) {a 下列程序的运行结果是【 】。include<iostream, h>class Sample{int a;public:Sample(int aa=0) {a=aa;}~Sample() {cout<<"Sample="<<a<<;}class Derived: public Sample{int b;public:Derived(int aa=0, int bb=0): Sample(aa) {b=bb;}~De rived() {cout <<"Derived="<<b<<'';}void main(){Derived dl (9)}
下面程序的运行结果是()。includeusing namespace std;class A{ int a;public: A(){a= 下面程序的运行结果是( )。 #include<iostream> using namespace std; class A { int a; public: A(){a=0;1 A(int aa ) {a=aa;} virtual void show() { cout<<a>>"";} }; class B:public A int b: public: B(){b=0:} B(int bb) {b=bb;} void show() {cout<<b>>" ";} }; class C:public B { int c; public: C(int cc) { c=cc;} void show() {cout<<c>>endl;} }; void main() { A a( 8 ),*p;B b( 9 );C c( 10 ); p=a; p->show(); p=b; p->show(); p=c; p->show(); }A.8 8 8B.8 9 10C.0 0 10D.10 10 10
下列程序的运行结果是 include class A { int a; public: A( ) {a=0;}A(int aa) { 下列程序的运行结果是#include<iostream.h>class A{int a;public:A( ) {a=0;}A(int aa){a=aa;cout < < a++;}};void main( )A x,y(2) ,z(3) ;cout < < endl;}A.00B.23C.34D.25
下列程序的运行结果是()。 include class A { inta; public: A(){a=0:} A(int aa) { 下列程序的运行结果是( )。 #include<iostream.h> class A { inta; public: A(){a=0:} A(int aa) { a=aa; cout<<a++; } }; void main() { A x,y(2),z(3); cout<<endl; }A.0B.23C.34D.25
以下程序运行后输出的结果是______。public class exl7{public static void main(String args []){int a = 0;for(int j = 1; j <= 20; j++)if(j%5 != 0)a = a + j;System.out.println (a);
若有以下程序:include using namespace std;class Base {public:Base() { x=0; } int 若有以下程序: #include <iostream> using namespace std; class Base { public: Base() { x=0; } int x; }; class Derivedl: virtual public Base { public: Derivedl() { x=10; } }; class Derived2: virtual public Base { public: Derived2() ( x=20; } }; class Derived: public Derivedl,protected Derived2 { }; int main() { Derived obj; cout<<obj.x<<end1; return 0; } 该程序运行后的输出结果是A.20B.30C.10D.0
若有以下程序: include using namespace std;class Base{public:Base ( ){x=0;}int x 若有以下程序:# include <iostream>using namespace std;class Base{public: Base ( ) { x=0; } int x;};class Derived1 : virtual public Base{public: Derived1 ( ) { x=10; }}; class Derived2 : virtual public Base{public: Derived2 () { x=20; }};class Derived : public Derived1,protected Derived2{ };int main(){ Derived obj; cout<<obj.x<<end1; return 0;} 该程序运行后的输出结果是A.10B.20C.30D.0
下列程序的运行结果是includeclass A{int a;public:A( ){a=0;}A(int aa) { a=aa; c 下列程序的运行结果是 #include<iostream.h> class A { int a; public: A( ){a=0;} A(int aa) { a=aa; cout<<a++; } }; void main( ) { A x,y(2),z(3); cout<<end1; }A.0B.23C.34D.25
若有以下程序:includeusingnamespacestd;classBase{public: Base() {x=0; } intx;}; 若有以下程序: #include <iostream> using namespace std; class Base { public: Base() { x=0; } int x; }; class Derivedl : virtual public Base { public: Derivedl() { x=10; } }; class Derived2 : virtual public Base { public: Derived2() { x=20; } }; class Derived : public Derivedl,protected Derived2 { }; int main () { Derived obj; cout<<obj.x<<end1; return 0; } 该程序运行后的输出结果是( )。A.10B.20C.30D.0
下面程序的运行结果是includeclass base{protected: int a;public: base(){cout 下面程序的运行结果是 #include<iostream.h> class base{ protected: int a; public: base(){cout <<"0";} }; class basel:virtual base{ public: basel () {cout <<"1";} }; class base2:virtual base{ public: base2(){cout <<"2";} }; class derived:public basel,public base2{ public: derived(){cout <<"3";} }; void main() { derived obj; cout <<end1; }A.123B.3120C.312D.3012
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);}