An if statement can be followed by an optional else if...else statement, which is very usefull to test various conditions using single if...else if statement.When using if , else if , else statements there are few points to keep in mind.
Here is the simple program for else-if statement in C++.
#include<iostream> using namespace std; int main() { int num=66; if(num<50) { cout<<"\nNumber is less than 50"; } else { cout<<"\nNumber is greater than 50"; } return 0; }To download raw file Click Here
Number is greater than 50
#include <iostream> using namespace std; int main() { int number; cout<<"\nEnter an integer: "; cin>>number; if(number>=0) { cout<<"\nYou entered a positive integer: "<<number<<endl; } else { cout<<"\nYou entered a negative integer: "<<number<<endl; } return 0; }To download raw file Click Here
Enter an integer: 67 You entered a positive integer: 67
#include <iostream> using namespace std; int main() { int number; cout<<"\nEnter an integer: "; cin>>number; if(number>0) { cout<<"\nYou entered a positive integer: "<<number<<endl; } return 0; }To download raw file Click Here
Enter an integer: 69 You entered a positive integer: 69
#include <iostream> using namespace std; int main() { int time=20; if (time<18) { cout<<"\nGood day."; } else { cout<<"\nGood evening."; } }To download raw file Click Here
Good evening.
#include <iostream> using namespace std; int main() { int x=20; int y=18; if(x>y) { cout<<"x is greater than y"; } else { cout<<"y is greater than x"; } }To download raw file Click Here
x is greater than y
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