using new to get memory for strings : new « Development « C++ Tutorial

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C++ Tutorial » Development » new 
5.12.8.using new to get memory for strings
#include <iostream>  
  #include <cstring>       
  using namespace std;  

  class String {  
     private:  
        char* str;
     public:  
        String(char* s){  
           int length = strlen(s);   
           str = new char[length+1]
           strcpy(str, s);           
        }  
        ~String() {  
           delete[] str;             
        }  
        void display(){  
           cout << str << endl;  
        }  
  };  
  int main()  
  {
     String s1 = "this is a test";  
    
     cout << "s1="
     s1.display();  
     return 0;  
  }
5.12.new
5.12.1.Use new and delete
5.12.2.Global new
5.12.3.Initialize memory
5.12.4.Allocate an array
5.12.5.Allocate an object
5.12.6.Allocate memory for an object
5.12.7.Catch 'new' memory allocation exception
5.12.8.using new to get memory for strings
5.12.9.Allocate an array of objects by overloading new and delete operators
5.12.10.dynamically allocated objects may have constructors and destructors
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