Read a number from the user and Display sum of odd numbers upto n;

import java.util.*;

class Sum_of_odd_numbers_upto_n{

public static void main(String args[]){

System.out.print("Upto which number, you want to add add odd numbers?");

Scanner sc= new Scanner(System.in);

int n = sc.nextInt();

int sum=0;

if(n>=1)

{

for(int i=1; i<=n;i++)

{

if(i%2!=0)

sum=sum+i;

}

}

System.out.println("The sum of odd numbers upto " +n+" is "+sum);

}}