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Tip of the Day
Language: C++
Expertise: Intermediate
Mar 29, 2004

Change the Private Variable Outside of a Member Function Definition

Use the following code to change the private variable outside of a member function definition:

class test
{
int x;
public:
test():x(0){}
int& getx(){return x;}
};

int main()
{
test t(10);
cout<<t.getx()<<endl; //x = 10
int& i = t.getx();
i = 20;
cout<<t.getx(); //x = 20 (value of x changed)
return 0;
}
Sushant Panda
 
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