/*Program of Dynamic Constructor*/ #include #include #include class abc { char *string; int length; public: abc() { length=0; string=new char[length+1]; strcpy(string,” “); } abc(char *s) { length=strlen(s); string=new char[length+1]; strcpy(string,s); } void display() { cout

/*Program of BINARY OPERATOR OVERLOADING using Friend function*/ #include #include class A { int a,b; public: void getdata(int c,int d) { a=c; b=d; } void add() { cout

/*Program of VIRTUAL base class*/ #include #include class A { public: A() { cout

/*Program of FUNCTION OVERLOADING*/ #include #include int add(int,int,int); // function declaration float add(float,float); // function declaration int add(int q, int w, int e) // function definition { return (q+w+e); } float add(float a, float s) // function defintion { return (a*s); } int main() { int q,w,e; float a,s; coutq>>w>>e; int p=add(q,w,e); // function calling…

/*Program of  BINARY OPERATOR OVERLOADING using member  function*/ #include<conio.h> #include<iostream.h> class A { int a,b; public: void getdata(int p,int q) { a=p; b=q; } void display() { cout<<“\na=”<<a<<“\nb=”<<b; } A operator+(A a1) { a1.a=a1.a+a; a1.b=a1.b+b; return a1; } }; int main() { A a1,a2,a3; int f,g,h,i; cout<<“\nEnter 2 numbers\n”; cin>>f>>g; a1.getdata(f,g); a1.display(); cout<<“\nEnter 2 numbers\n”;…

/*Program for the addition of 3 complex numbers using FRIEND function*/ #include<iostream.h> #include<conio.h> class complex { int real,imag; public: complex() { } complex(int f,int g) { real=f; imag=g; } void display() { cout<<real<<“+i”<<imag; } friend complex sum (complex,complex,complex); }; complex sum(complex q,complex w,complex e) { complex r; r.real=q.real+w.real+e.real; r.imag=q.imag+w.imag+e.imag; return r; } int main() {…