CPP
cpp
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#include <iostream>
using namespace std;
class test1
{
public:
test1(const string& s = "Lalcheta") : m_s(s) {}
void display()
{
cout << m_s << endl;
}
string m_s;
};
int main()
{
test1 obj1;
test1 obj2("Ketan");
obj1.display();
obj2.display();
return 0;
}
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OUTPUT
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