#include<iostream>
class interchange
{
private:
int a1;
int a2;
int temp;
public:
void swap()
{
a1=5;
a2=10;
temp=a1;
a1=a2;
a2=temp;
}
void display()
{
cout<<"The new value of a1 is:"<<a1<<endl;
cout<<"The new value of a2 is:"<<a2<<endl;
}
};
void main()
{
interchange I1;
I1.swap();
I1.display();
}
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