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Constructor in C++

Any class needs to be instantiated. A constructor is a special function created by default, used to automatically initialize an object. A constructor is implicitly called whenever an object is created. A constructor is also used to initialize the data mem # include<iostream.h> class add { int n1,n2,res; public: add() { cout<<”Inside the default constructor”<<endl; n1=n2=res=0; } void accept() { cout<<”Enter two numbers:” <<endl; cin>>n1; cin>>n2; }