#ifndef h7_h#define h7_h#include<iostream>using namespace std;class String{private:	char* s;public:	String();	String(const char* sx);	String(char sx);	String(int sx);	String(const String& );	String(double sx);	~String();	String operator+(const String& );				//加法	String operator-(const String& ); 	String& operator=(const String& );			//賦值	int Strcmph(String& temp);							//比較大小	int Strlenh();							//計算長度	String Strcath(String& );					//計算	void deleteSpace();					 //刪除空格	void BigWrite();				//轉換大寫	void LittleWrite();		//轉換小寫	friend ostream& operator<<(ostream& out,String& temp);		 //輸入輸出};#endif