Class

# include<iostream> using namespace std; class cal { //Data Members int a,b,add,sub,mil,divide; public: cal()//Constructor { a=b=add=sub=mil=divide=0; } //Functions void addition() {  add=a+b; cout<<"The total is"<<add<<endl; } void subtraction() { if(a>b) { sub==a-b; } else { sub=b-a; } cout<<"Subtraction result  is" <<sub<<endl; } void multiplication () { mil=a*b; cout<<"Multiply is "<<mil<<endl; } void division() { if(a>b) divide=a/b; else divide=b/a; cout<<"The...

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Structures

# include<iostream> using namespace std; struct student { char name[10]; int r; float m; }; void main() { student s; cout<<"Enter name"<<endl; cin>>s.name; cout<<"Enter Roll number"<<endl; cin>>s.r; cout<<"Enter Marks"<<endl; cin>>s.m; cout<<"Name is"<<s.name<<endl; cout<<"Roll number is"<<s.r<<endl; cout<<"Marks is"<<s.m<<endl; } In this program,we will discuss Structures........!! First,What is the Structure is??Why we need it?? Structures:- Structures...

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Function by Reference

#include <iostream> using namespace std; void swap(int &a, int &b); int main () {   int a,b,z;   cout<<"Enter First Number"<<endl;   cin>>a;   cout<<"Enter Second Number"<<endl;   cin>>b;   cout<<"Numbers before Swapping"<<endl;   cout<<a<<endl<<b<<endl;  ...

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Pointers

#include <iostream> using namespace std; int main () { int a = 5,b = 15; int *p1, *p2; p1 = &a; // p1 = address of firstvalue p2 = &b; // p2 = address of secondvalue cout<<*p1<<endl<<a<<endl; cout<<"*p2<<b<<endl; cout<<&a<<p1<<endl; cout<<&b<<p2<<endl; ...

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