下列程序的运行结果为【 】。
include <iostream. h>
class myclass
{
private:
int a, b, c;
public:
void fun()
{
int a;
a=10;
this->,a=5;
b=6;
this->c=7;
cout<<"a="<<a<<",this->a="<<this->a<<endl;
}
};
void main()
{
myclass obj1;
obj1.fun()
}
第1题:
下面程序运行时输出结果为【 】。
include<iostream.h>
include<malloc.h>
class Rect
{
public:
Rect(int1,int w)(length=1;width=w;)
void Print(){cout<<"Area:"<<length *width<<endl;)
void *operator new(size-t size){return malloc(size);}
void operator delete(void *p){free(p)
private:
int length,width;
};
void main()
{
Rect*p;
p=new Rect(5,4);
p->Print();
delete p;
}
第2题:
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 valueY
A.5 0 6 4
B.0 0 6 4
C.5 0 6 2
D.0 0 6 2
第3题:
下列程序的运行结果是 #include<iostram.h> classLocation{ private: int X,Y; public: void init(int=0, int=0) ; void valueX(int val){X=val:} int valueX(){return X;} void valueY(int val){Y=val;} int valueY(){returnY;}}; void Location∷init(int initX,int initY) { X=initX; Y=initY;} void main() { LocationA,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 0 6 4
B.0 0 6 4
C.5 0 6 2
D.0 0 6 2
第4题:
下列程序的运行结果是______。
include<iostream.h>
class test
{
private:
int hum;
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;
}
第5题:
有以下程序: #include<iostream> using namespace std; class MyClass { public: MyClass(); ~MyClass(); void SetValue(int val); private: static int i; }; int MyClass::i=0; MyClass::MyClass() { i++; cout<<i; } MyClass::~MyClass() { i--; cout<<i; } void MyClass::SetValue(int val) { i=val; } int main() { MyClass*my[2]; int k; for(k=0;k<2;k++) my[k]=new MyClass; for(k=0;k<2;k++) delete my[k]; return 0; } 运行后的输出结果是( )。
A.1210
B.1100
C.1234
D.输出结果不确定