单选题:下列描述中,抽象类的特性是(  )。

  • 题目分类:C++
  • 题目类型:单选题
  • 号外号外:注册会员即送体验阅读点!
题目内容:
下列描述中,抽象类的特性是(  )。 A.可以说明虚函数
B.可以定义友元函数
C.可以进行构造函数重载
D.不能说明其对象

参考答案:【答案仅供学习,请勿对照自行用药等】
答案解析:

有下列程序: #include<stdi0.h>voidfun(int*a,int*b){int*C; c=a;a=b;

有下列程序: #includevoidfun(int*a,int*b){int*C; c=a;a=b;b=C; }voidmain

查看答案

有下列程序: #include<stdi0.h>voidmain(  ) {inta1,a2charc1,c2; sca

有下列程序: #includevoidmain(  ) {inta1,a2charc1,c2; scanf("%d%c%d%C",&a

查看答案

Why did the phone charge surprise the man?

Why did the phone charge surprise the man?A.He didn’t make any calls. B.He didn

查看答案

一Could you__________me your bike.*Mine is broken. 一Sure.It’

一Could you__________me your bike.*Mine is broken. 一Sure.It’s there.A.borrow B.

查看答案

Trains or buses stop there.

Trains or buses stop there.

查看答案