REFRENCE VARIABLES & TYPECASTINGS

 

#include<iostream>

using namespace std;

int main(){

    int a,b,c;

    cout<<"Enter the value of a"<<endl;

    cin>>a;

    cout<<"Enter the value of b"<<endl;

    cin>>b;

    cout<<"The value of a is "<<a<<endl;

    cout<<"The value of b is "<<b<<endl;

    cout<<"The value of c is "<<a+b<<endl;

    cout<<"\n";

//use of sizeof()keyword// use of f and l in float and long double;//

//****use of float, double, long double, literals********//

    cout<<"\n";

    float x =10.5;

    long double y=90.5;

    cout<<"The size of x is "<<sizeof(10.5)<<endl;

    cout<<"The size of y is "<<sizeof(90.5)<<endl;

    cout<<"The size of xl is "<<sizeof(10.5l)<<endl;

    cout<<"The size of xf is "<<sizeof(90.5f)<<endl;

    cout<<"\n";

    //*********...refrence variables starting....**********//

    float that=889.5;

    float y=that;

    cout<<y<<endl;

    cout<<that<<endl;

    //*********...Typecasting starting....**********//

    int a=45.85;

    cout<<(float)a<<endl;

    float b=90.5;

    cout<<(int)b<<endl;

    return 0;

}