#include <iostream> #include<cstring> using namespace std; class Demo { private:   long mno;   char name[10]; public:   void setMyInfo(long mno, char *name){     this->mno =mno;     strcpy(this->name,name);   }   void displayMyInfo(){     cout<<"Name: "<<name<<endl;     c…

#include <iostream> using namespace std; class A { private: int a; protected: int b; public: A(int m,int n) { a=m; b=n; } // friend class declaration friend class B; }; class B { public: void display(A& t) { cout << "Sqaure of varible a = " << t.a*t.a <…

#include <iostream> #include<cstring> using namespace std; class Media {     protected:      char name[40];     float price;     public:     Media(char *nm,float b)     {         strcpy(name,nm);         price=b;     }     virtual void display()     {} }; class Book:public Media {  int pages;  public:  B…

#include <iostream> using namespace std; class ReverseNo { int n; public: void get(int m) { n=m; } void reverse() { int d,revno=0; cout<<"\n given no is: "<< n; while(n>0) { d=n%10; revno=revno*10+d; n=n/10; } cout<<"\n reverse no is : "<< revno; } }; int main() {…

#include <iostream> #include <cstring> using namespace std; class Person {     char name[20];     int age;     public:     Person(char *s, float b)     {         strcpy(name,s);         age=b;     }     Person &  greater(Person &y)     {         if(y.age>age)         return y;         else     …

#include <iostream> #include<cstring> using namespace std; class Student {     int Rollno;     char name[25];     public:     void getdata(int rn , char *nm)     {         Rollno=rn;         strcpy(name,nm);     }     void display()     {         cout<< "\n Roll No: "<< Rollno ;     …

#include <iostream> using namespace std; int main() {     // Write C++ code here     cout << "Pointer and Array program"; int S[]={10,20,-30,40,50}; int *P; int i,sum=0; cout<<"\nArray numbers are: "; for(i=0;i<5;i++) { cout<<S[i] << " "; } cout<<&q…

#include <iostream> using namespace std; const int N=3; class Vector {     int V[N];     public:     Vector()     {         for(int i=0;i<N;i++)         V[i]=0;     }     Vector(int *y)     {         for(int i=0;i<N;i++)         V[i]=y[i];     }    friend Vector operator*(int a, Vector b );     friend Ve…