Mega Code Archive
Dynamically allocated objects may have constructors and destructors
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#include <iostream>
#include <new>
#include <cstring>
using namespace std;
class balance {
double cur_bal;
char name[80];
public:
balance(double n, char *s) {
cur_bal = n;
strcpy(name, s);
}
~balance() {
cout << "Destructing ";
cout << name << "\n";
}
void get_bal(double &n, char *s) {
n = cur_bal;
strcpy(s, name);
}
};
int main()
{
balance *p;
char s[80];
double n;
// this version uses an initializer
try {
p = new balance (1.1, "A");
} catch (bad_alloc xa) {
cout << "Allocation Failure\n";
return 1;
}
p->get_bal(n, s);
cout << s << "'s balance is: " << n;
cout << "\n";
delete p;
return 0;
}
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