更多"下面程序输出的结果为( )。
#include' iost"的相关试题:
[单项选择]下面程序输出的结果为( )。
#include" iostream.h"
class A
{
public:
A( ) { cout < < "CLASS A" < < end1;}
~ A( ) { }
};
class B:public A
{
public:
B( ){ cout < < "CLASS B" < < end1;}
~ B( ) { }
};
void main( )
{
A * p;
p=new B;
B * q;
q=new B;
}
A. DEHNE POPUP<菜单名>
B. DEFINE MENU<菜单名>
C. DEHNE PAD<菜单名>
D. DEFINE BAR<菜单名>
[简答题]给出下面程序输出结果。
#include<iostream.h>
class Base
private:
int Y;
public:
Base(int y=0)y=y;cout<<"Base("<<y<<")/n";
~Base( )cout<<"~Base( )/n";
void print( )cout<<Y<<" ";
;
class Derived:public Base
private:
int Z;
public:
Derived(int y,int z):Base(y)
Z=z;
cout<<"Derived("<<y<<","<<z<<")/n";
~Derived( )cout<<"~Derived( )/n";
void print( )
Base::print( );
cout<<Z<<endl;
;
void main( )
Derived d(10,20);
d.print( );
[单项选择]给出下面程序输出结果。
#include<iostream.h>
void main( )
int *p1;
int**p2=&p1;
int b=20;
p1=&b;
cout<<**p2<<endl;
[简答题]为使下面程序输出结果为:
1*0=0
3*4=12
请在横线处填上适当的语句,以使程序完整。
#include<iostream.h>
class A
private:
int R1,R2;
public:
A(int r1=5,int r2=0)______
void show( );
;
void A::show( )
______
void main( )
A a(1);
A b(3,4);
a.show( );
b.show( );
[单项选择]下面程序输出的结果是什么 ( ) public class Quiz2 { public static void main(String args[]) { try {throw new MyException( ); }catch(Exception e) { System.out.println("It’s caught!"); }finally{ System.out.println("It’s finally caught!"); } } } class MyExeeption extends Exception{}
A. It’s finally caught!
B. It’s caught!
C. It’s caught!/It’sfinally caught!
D. 无输出
[单项选择]下面程序输出的结果为
#include" iostream.h"
class A
public:
A( ) cout < < "CLASS A" < < end1;
~ A( )
;
class B:public A
public:
B( ) cout < < "CLASS B" < < end1;
~ B( )
;
void main( )
A * p;
p=new B;
B * q;
q=new B;
A. CLASS A
B. CLASS A
C. CLASS A
D. CLASS A
[单项选择]下面程序输出的结果为
#include"iostream.h"
class A
public:
A( )cout<<"CLASSA"<<endl;
~A( )
;
class B:public A
public:
B( )cout<<"CLASSB"<<endl;
~B( )
;
void main( )
A * p;
p=new B;
B *q;
q=new B;
A. CLASS A
B. CLASS A
C. CLASS A
D. CLASS A
[单项选择]下面程序输出的结果是( )。
#include<iostream>
using namespace std;
int fuc (char *x);
int main( )
cout<<fuc("hello")<<endl;
return 0;
int fuc(char *x)
char *y=x;
while(*y! =’/0’)y++;
return(y-x);
A. 5
B. 6
C. 0
D. 语法错误,不能输出结果