题目内容

经常和一个运算符连用，构成一个运算符函数名的C++关键字为______。

查看答案

搜索结果不匹配？点我反馈

更多问题

写出下列程序的执行结果是：__________________。#include using namespace std;class Bclass{ public: Bclass( int i, int j ) { x = i; y = j; } virtual int fun() { return 0 ; }protected: int x, y ;};class Iclass:public Bclass{ public : Iclass(int i, int j, int k):Bclass(i, j) { z = k; } int fun() { return ( x + y + z ) / 3; }private : int z ;};void main(){ Iclass obj( 2, 4, 10 ); Bclass p1 = obj; cout << p1.fun() <<","; Bclass &p2 = obj ; cout << p2.fun() <<","; cout << p2.Bclass :: fun() <<","; Bclass *p3 = &obj; cout << p3 -> fun() << endl;}

写出下列程序的执行结果是：__________________。#include using namespace std;const double n = 1.852; // 定义海里与千米和米的转换系数(1海里=1.852千米)class nauticalmile_kilometer{ public: nauticalmile_kilometer( int km,double m ) { kilometer = km; meter = m; } void print() { cout<<"kilometer="<
查看答案

写出下列程序的执行结果是：__________________。#include #includeclass s{ public: s(){ str= '\0'; } s( char pstr ) { strcpy( str,pstr ); } char *gets() { return str; } friend s operator+( s obj1,s obj2 );private: char str[100]; };s operator+( s obj1,s obj2 ){ s tempobj; strcat( tempobj.str,obj1.str ); strcat( tempobj.str,obj2.str ); return tempobj; }void main(){ s obj1( "Visual" ),obj2( "C#" ),obj3; obj3 = obj1 + obj2; cout << obj3.gets() << endl;}

写出下列程序的执行结果是：__________________。#include #includeusing namespace std;class s{ public: s(){ str = '\0'; } s( char pstr ) { strcpy( str,pstr ); } char gets() { return str; } s operator+( s obj );private: char str[10]; };s s::operator+( s obj ){ strcat( str,obj.str );return str; //或return this } void main(){ s obj1( "Visual"),obj2("C++"),obj3; obj3 = obj1 + obj2; cout << obj3.gets() << endl;}