更多"补充完整下面的类定义:
class XCH{
char*a"的相关试题:
[填空题]补充完整下面的类定义:
class XCH
char*a;
public:
XCH(char*a A) //构造函数
a=new char[strlen(aA) +1];
strcpy(a,aA) ;
XCH&operator=(const XCH&x)//重载赋值函数
delete[ ]a;
a=new char[strlen(x.A) +1];
strcpy(a,x.A) ;
______;
~XCH( )delete[ ]a;
;
[填空题]
补充完整下面的类定义:
class XCH{
char*a;
public:
XCH(char*aa){ //构造函数
a=new char[strlen(aa)+1];
strcpy(a,aa);
}
XCH& operator=(const XCH& x){ //重载赋值函数
delete[]a;
a=new char[strlen(x,a)+1];
strcpy(a,x,a);
______;
}
~XCH( ){delete[]a;)
}
[填空题]请将下列类定义补充完整
class Base{public: void fun( ){cout<<"Base::fun"<<end1;}};
class Derived:public Base
{
public:
void fun( ){
______//显式调用基类的fun函数
cout<<"Derived::fun"<<end1;
}
};
[填空题]请将下列类定义补充完整。
class Base {public:void
fun( ) {cout<<"Base:: fun"<<end1; } };
class Derived: public Base {
public:
void fun( ) {
【13】 //显式调用基类的fun函数
cout<<"Derived:: fun"<<end1;
}
};
[填空题]将下面程序补充完整。
public class PowerCale {
public static void main(String[] args) {
double x=5.0;
System.out.println(x+"to the power 4 is"+power(x,4));
System.out.println("7.5 to the power 5 is"+power(7.5,5));
System.out.println("7.5 to the power 0 is"+power(7.5,0));
System.out.println("10 to the power -2 is"+power(10,-2));
}
static double ______ (double x,int n) {
if(n>1)return x * power(x,n-1);
else if(n<0)return 1.0/power(x,-n);
else return n==0 1.0:x:
}
}
[填空题]请将下列类定义补充完整。
class Base{public:void fun( ){cout<<"Base::fun"<<end;}};
class Derived:public Base
{
public:
void fun( )
{
【13】 //显式调用基类的fun函数
cout<<"Derived::fun"<<endl;
}
};
[填空题]请将下列类定义补充完整。
class Base public: void fun( )cout<<"Base::fun"<<end1; ;
class Derived:public Basepublic:
void fun( ) 【15】 //显式调用基类的fun函数
cout<<"Derived:: fun"<<end1;;
[填空题]
请将下面程序补充完整。
public class PowerCalc{
public static void main(String[]args){
double x=5.0;
System. out. println(x+"to the power 4 is"+power(x, 4));
System. out. println("7. 5 to the power 5 is"+power(7.5, 5));
System. out. println("7.5 to the power 0 is"+power(7.5, 0));
System. out. println("10 to the power -2 is"+power(10, -2));
}
static double 【11】 (double x, int n){
if(n>1)
return x * power(x, n-1);
else if(n<0)
return 1.0/power(x, -n);
else
return n==0 1.0:x;
}
}
[填空题]补充完整下面的类定义:
const double PI=3.14;
class Circle //圆形物体的抽象基类
protected:
double r; //半径
public:
Circle(double radius=0):r(radius)
______; //计算圆形物体表面积的纯虚函数声明
;
class Cylinder:public Circle//圆柱体类
double h; //高度
public:
Cylinder(double radius=0,double height=0);
Circle(radius),h(height)
Virtual double Area( )return 2*PI*r*(r+h);//计算圆柱体的表面积
;
[填空题]补充完整下面的类定义:
const double PI=3.14;
class Circle{ //圆形物体的抽象基类
protected:
double r; //半径
public:
Circle(double radius=0):r(radius){}
(13) ; //计算圆形物体表面积的纯虚函数声明
};
class Cylinder:public Circle{ //圆柱体类
double h; //高度
public:
Cylinder(double radius=0,double height=0);
Circle(radius),h(height){}
Virtual double Area( ){return 2*PI*r*(r+h);} //计算圆柱体的表面积
};