Sailing Directions
Light List
List of Private Aids
Aids to Navigation Manual
第1题:
有以下程序: #include<iostream> using namespace std; class A {private: int a; public: A(int i) {a=i;} void disp() {cout<<a<<“,”;}}; class B {private: int b; public: B(int j) {b=j;} void disp() {cout<<b<<“,”;
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第2题:
下列类的定义中,有( ) 处语法错误。 class Base { public: Base(){} Base(int i) { data=i; } private: int data; }; class Derive: public Base { public: Derive(): Base(O) { } Derive(int x) { d=x; } void setvalue(int i) { data=i; } private: d; };
A.1
B.2
C.3
D.4
第3题:
( 31 )有如下程序:
#include
using namespace std;
class A
{
public;
A ( int i ) {x= i ;}
Void sispa () {cout<<X<< ’ , ’ ;}
Private:
int x ;
};
class B;publicA
{
public;
B ( int i ) :A ( i +10 ) {x =i ;}
voud dispb () {dispa () ;cout<<X<,ENDL;}
Private:
Int x;
};
int main ()
{
B b ( 2 ) ;
b.dispb ()
retum 0:
}
运行时输出的结果是
A ) 10 , 2
B ) 12 , 10
C ) 12 , 2
D ) 2 , 2
第4题:
下面程序的打印结果是【 】。
include <iostream>
using namespace std;
class Base
{
public:
Base(int x)
{
a=x;
}
void show()
{
cout<<a;
}
private:
int a;
};
class Derived : public Base
{
public:
Derived(int i) :Base(i+1) ,b(i) { }
void show()
{
cout<<b;
}
private:
int b;
};
int main ( )
{
Base b(5) , *pb;
Derived d(1);
pb=&d;
pb->show();
return 0;
}
第5题:
有以下程序: #include <iostream> using namespace std; class A { private: int a; public: A (int i) { a=i; } void disp() { cout<<a<<","; } }; class B { private: int b; public: B(int j) { b=j; } void disp() { cout<<b<<","; } }; class C : public B,public A { private: int c; public: C(int k) :A(k-2),B(k+2) { c=k; } void disp () { A::disp (); B::disp (); cout<<c<<endl; } }; int main () { C obi (10); obj.disp (); return 0; } 程序执行后的输出结果是
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第6题:
若有如下程序: #include<iostream> using namespace std; Class TestClass1 { private: int a; public: TestClassl(int i) { a=i; } void disp() { cout<<a<<“,”; } }; Class TestClass2 { private: int b; public
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第7题:
以下程序段共有错误( )处。 #include <iostream> using namespaces std; class Sample { private: int n; public: Sample(int i) { n=i; } void setvalue (int i) { n=i; } void display() { cout<<”n=”<<n<<endl; } }; int main() { const Sample a(10); a.setvalue(5); a.display(); return 0; }
A.1
B.2
C.3
D.4
第8题:
以下能够正确计算n!的程序是( )。
A.Private Sub Command1_Click()
n=5: x=1
Do
x=x * I
I=I + 1
Loop While I < n
Print x
End Sub
B.Private Sub Command1_Click()
n=5: x=1: I=1
Do
x=x * I
I=I + 1
Loop While I < n
Print x
End Sub
C.Private Sub Command1_Click()
n=5: x=1: I=1
Do
x=x * I
I=I + 1
Loop While I <=n
Print x
End Sub
D.Private Sub Command1_Click()
n=5: x=1: I=1
Do
x=x * I
I=I + 1
Loop While I > n
Print x
End Sub
第9题:
若有以下程序: #include <iostream> using namespace std; class A { private: int a; public: A(im i) { a=i; } void disp() cout<<a<<","; } }; class B { private: int b; public: B(int j) { b=j; } void disp0 { cout<<b<<","; } }; class C: public B,public A { private: int c; public: C(int k):A(k-2),B(k+2) { c=k; } void disp0 { A::disp(); B::disp(); cout<<c<<endl; } }; int main() { C obj(10); obj.disp(); return 0; } 程序执行后的输出结果是( )。
A.10,10,10
B.10,12,14
C.8,10,12
D.8,12,10
第10题:
以下程序的执行结果是______。
include<iostream.h>
class CSample
{
private:
int n;
static int k:
public:
CSample (int i) {n=i;k++;};
voiddisp();
} ;
void CSample::disp()
{
cout <<"n="<<n<<",k="<<k<<endl
}
int CSample: