OOPs with C++
https://erp-parul.blogspot.com/2026/02/oops-with-c.html
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// You are using GCC
#include<iostream>
#include<iomanip>
#include<string>
using namespace std;
class HealthProfile
{
private:
string name;
int age;
double height;
double weight;
public:
void setName(const string &n){
name=n;
}
void setAge(int a){
age=a;
}
void setHeight(double h)
{
height=h;
}
void setWeight(double w){
weight=w;
}
string getName(){
return name;
}
int getAge(){
return age;
}
double getHeight(){
return height;
}
double getWeight(){
return weight;
}
double calculateBMI(){
return weight/(height*height);
}
void displayProfile(){
cout<<fixed<<setprecision(2)<<endl;
cout<<"Name: "<<getName()<<endl;
cout<<"Age: "<<getAge()<<endl;
cout<<"Height: "<<getHeight()<<" meters"<<endl;
cout<<"Weight: "<<getWeight()<<" kg"<<endl;
cout<<"BMI: "<<calculateBMI()<<endl;
}
};
int main(){
HealthProfile p;
string name;
getline(cin, name);
p.setName(name);
int age;
cin>>age;
p.setAge(age);
double height,weight;
cin>>height;
p.setHeight(height);
cin>>weight;
p.setWeight(weight);
p.displayProfile();
return 0;
}
=======================
// You are using GCC
#include<iostream>
#include<string>
using namespace std;
class Employee{
public:
string name;
double salary;
static bool sameSalary(const Employee &emp1, const Employee &emp2){
return emp1.salary==emp2.salary;
}
};
int main(){
Employee emp1;
Employee emp2;
getline(cin,emp1.name);
cin>>emp1.salary;
cin.ignore();
getline(cin,emp2.name);
cin>>emp2.salary;
if(Employee::sameSalary(emp1, emp2)){
cout<<"Both employees have the same salary."<<endl;
}
else{
cout<<"The employees have different salaries."<<endl;
}
return 0;
}
=================
Factorial program
// You are using GCC
#include<iostream>
using namespace std;
class Factorial
{
private:
long result;
public:
Factorial(){
result=1;
}
Factorial calculate(int n){
Factorial factorial;
if(n>=0){
for(int i=1;i<=n;++i){
factorial.result*=i;
}
}
return factorial;
}
long getFactorial(){
return result;
}
};
int main()
{
int n;
std::cin>>n;
Factorial factorial = Factorial().calculate(n);
if(n<0){
std::cout<<"Invalid input"<<std::endl;
}
else{
std::cout<<"Factorial of "<<n <<" is: "<<factorial.getFactorial()<<std::endl;
}
return 0;
}
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