更多"下列程序的运行结果是 #include <iostream.h>"的相关试题:
[单项选择]下列程序的运行结果是
#include <iostream.h>
class Location
private:
int X,Y;
public:
void init(int=0,in=0);
Void valueX(int val) X=val;
int valueX( ) return X;
void valueY(int val) Y=val;
int valueY( ) return Y; ;
void Location::init(int initX,int initY)
X=initX;
Y=initY;
void main( )
Location A,B;
A.init( );
A.valueX(5);
cout < < A.valueX( ) < < end1 < < A.valueY( ) < < end1;
B.init(6,2);
B.valeY(4);
cout < < B.valueX( ) < < end1 < < B.valueY( ) < < end1;
A. 5
B. 0
C. 5
D. 0
[单项选择]下面程序的结果是
#include
class A
{
int a;
public:
A( ):a (1){}
void showa( ){cout<<a;}
};
class B
{
int a;
public:
B( ):a (2){}
void showa( ){cout<<a;}
};
class C:public A, public B
{
int a;
public:
C( ):a (3){}
void showa( ){cout<<a;}
};
void main( )
{
C c;
c.showa( );
}
A. 1
B. 2
C. 3
D. 程序有错误
[单项选择]下列程序的运行结果是
#inClUde<iostream.h>
class Location
private:
int X,Y;
pubhc:
void init(int=0,int=0) ;
void valueX(int val) X=val;
int valueX( ) retum X;
void valueY(int val) Y=val;
int valueY( ) retum Y;;
void Location: :init(int initX,int initY)
X=initX;
Y=initY;
Void main( )
Location A,B;
A. init( ) ;
A. valueX(5) ;
cout < < A. valueX( ) < < endl < < A. valueY( ) < < endl;
B. init(6,2) ;
B. valueY(4) ;
cout < < B. valueX( ) < < endl < < B. valueY( ) < < endl;
A. 5
B. 0
C. 5
D. 0
[单项选择]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) 0123 B) 3120 C) 0312 D) 3012
[单项选择]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. 0123
B. 3120
C. 0312
D. 3012
[单项选择]下列程序的输出结果是
#include
class Myclass
public:Myclass(int i=0,intj=0)
x=i;
y=j;
void show( ) cout < < "x=" < < x < < " " < "y=" < < y < < end1;
void show( )const cout < < "x=" < < " " < < "y=’ < < y < < end1;
privated:
int x; int y;
;
void main( )
Myclass my1(3,4);
const my2(7,8);
my1.show( );my2.show( );
A. x=4,y=3;x=7,y=8
B. x=3,y=4;x=7,y=8
C. x=7,y=8;x=4,y=3
D. x=8,y=7;x=7,y=8
[单项选择]分析下面程序,该程序的运行结果是( )。
#include<iostream.h>
class cmm
public:
static int m;
cmm( )
m++;
cmm(int n)
m=n;
static void testm( )
m++;
;
int cmm :: m=0;
void main( )
cmm A;
cmm B(3);
A. testm();
B. m=3
C. m=4
D. m=5
E. m=6