String type class : String « Data Type « C++

1. C++
2. Data Type
3. String

String type class

 

#include <iostream>
#include <cstring>
#include <cstdlib>
using namespace std;

class StringClass {
  char *p;
  int len;
public:
  StringClass(char *ptr)
  {
    len = strlen(ptr);
    p = (char *) malloc(len+1);
    if(!p) {
      cout << "Allocation error\n";
      exit(1);
    }
    strcpy(p, ptr);
  }
  ~StringClass() { 
    cout << "Freeing p\n"; free(p); 
  }

  void show() 
  {
    cout << p << " - length: " << len;
    cout << endl;
  }
};

int main()
{
  StringClass stringObject1("www.java2s.com"), stringObject2("www.java2s.com");

  stringObject1.show();
  stringObject2.show();

  return 0;
}

           
         
  

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