Mega Code Archive
Pass an object to a function
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#include <iostream>
using namespace std;
class MyClass {
int i;
public:
MyClass(int i) {
i = i;
}
int getI() { return i; }
void setI(int i) { i = i; }
};
void display(MyClass ob)
{
cout << ob.getI() << '\n';
}
void change(MyClass ob)
{
ob.setI(100); // no effect on argument
cout << "Value of ob inside change(): ";
display(ob);
}
int main()
{
MyClass a(10);
cout << "Value of a before calling change(): ";
display(a);
change(a);
cout << "Value of a after calling change(): ";
display(a);
return 0;
}
Value of a before calling change(): 2
Value of ob inside change(): 2
Value of a after calling change(): 2
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