#include #include using namespace std; class myString { int len; char* data; public: myString (string value); ~myString (); /*myString&*/void operator= (const myString& obj); void display(); }; myString::myString (string value) { len = value.length(); data = new char[len + 1]; strcpy(data,value.c_str()); } myString::~myString () { cout << "Bye bye " << data << endl; delete[] data; } /*myString& myString::operator= (const myString& obj) { cout << "copying " << obj.data << " to " << this->data << endl; if(this!=&obj)//self assignment { delete[] data; data = new char[obj.len + 1]; strcpy(data,obj.data); len = obj.len; } return *this; }*/ void myString::operator= (const myString& obj) { cout << "copying " << obj.data << " to " << this->data << endl; if(this!=&obj)//self assignment { delete[] data; data = new char[obj.len + 1]; strcpy(data,obj.data); len = obj.len; } } void myString::display() { cout << "Hi " << data << " and it's length is " << len << endl; } int main() { { string value = "Ketan"; myString obj1(value); obj1.display(); value = "is"; myString obj2(value); obj2.display(); value = "busy"; myString obj3(value); obj3.display(); cout << endl << "*************************" << endl; //obj3 = obj2; obj2 = obj3; cout << "*************************" << endl << endl; } return 0; }

Overloaded_assignment