3rd day Operation Poedu mystring realization

Job Requirements

Code:

#define_crt_secure_no_warnings#include<iostream>#include<cstring>classmystring{Char*_str; int_len; Public: MyString () {_str=New Char[ -]; _len= -; } MyString (Const Char*str) {        if(str = =NULL) {_str=New Char[1]; *_str =' /'; }        Else        {            int_len =strlen (str); _str=New Char[_len +sizeof(Char)];        strcpy (_str, str); }            }    ~MyString () {Delete[]_str; }    Char*GetString () {return_str; }    //Set String    voidSetString (Const Char*str) {        Delete[]_str; int_len =strlen (str); _str=New Char[_len +sizeof(Char)];                    strcpy (_str, str); }    //get the character by subscript    CharGetChar (intindex) {        if(Index<=strlen (_STR) && index >=0)            return_str[index]; return 0; }    //To find the string lengthUnsignedintGetstringlens () {unsignedintindex =0;  while(_str[index]) {index++; }        returnindex; }     //   Find the length of the array unsigned int  getarrylens () { 
     
      return 
      sizeof(_str)/ 
      sizeof(_str[
      0 
      ]); }    //Batch modify one of the characters to be some other character    Char* Mycharreplace (CharDestCharsource) {         while(*_str!=' /')        {            if(*_str = =dest) {                *_str =source; }            *_str++; }        return_str; }    //append character at end    voidMyaddend (Charc) {CharTmp[] = {c,' /' };    Mystring::myaddend (TMP);        }; //append a string at the end    voidMyaddend (Char*str) {_str= Strncat (_str, str, strlen (str) +sizeof(Char)); }    //append an integer at the end    voidMyaddend (intnum) {        Chartmp[255]={0}; sprintf (TMP,"%d", num);    Mystring::myaddend (TMP); }    //Append floating-point number at the end    voidMyaddend (Doublenum) {        Chartmp[255] = {0 }; sprintf (TMP,"%8.3LF", num);    Mystring::myaddend (TMP); }    //Append mystring at the end    voidMyaddend () {_str= Strncat (_str, _str, strlen (_STR) +sizeof(Char)); }    //Pop a character from the beginning    CharPopuphead () {intindex =0; CharTMP =_str[index];  while(_str[index]!=0) {_str[index]= _str[index +1]; Index++; }        returntmp; }    //Pop a character from the end    CharPopupend () {intindex =0;  while(_str[index]! =0) {Index++; }        CharTMP = _str[index-1]; _str[index-1] =0; returntmp; }};intMain () {MyString demo1 ("I love you china! ");//MyString Demo2 ();MyString Demo ("I Love Mark"); Demo. SetString ("I love Haozaiyi"); Std::cout<< Demo. GetString () <<"  "<<demo. GetChar (Ten) <<Std::endl; Std::cout<< Demo. Getstringlens () <<"  "<< Demo. Getarrylens () <<Std::endl; Demo. Myaddend ('y'); Std::cout<< Demo. GetString () <<Std::endl; Demo. Myaddend ("AAAAA"); Std::cout<< Demo. GetString () <<Std::endl; Demo. Myaddend (123456); Std::cout<< Demo. GetString () <<Std::endl; Demo. Myaddend (123456.789); Std::cout<< Demo. Getarrylens () <<Std::endl; Std::cout<< Demo. Popuphead () << demo. Popupend () <<Std::endl; Std::cout<< Demo. Popuphead () << demo. Popupend () <<Std::endl; Std::cout<< Demo. Popuphead () << demo. Popupend () <<Std::endl; Std::cout<< Demo. Popuphead () << demo. Popupend () <<Std::endl; Std::cout<< Demo. Mycharreplace ('o','@') <<"   "<< Demo. GetString () <<Std::endl; return 0;}

Highlighted section, the code does not meet the job requirements. There are bugs to be resolved.

3rd day Operation Poedu mystring realization