ok!thank you!
Type: Posts; User: boyhailong
ok!thank you!
if don't use std::string ,how to write ?
#include <iostream>
using namespace std;
class String
{
public:
String(const char *str = NULL); // 通用构造函数
String(const String &another); // 拷贝构造函数
~ String(); // 析构函数
String& operator...