Question

Write a program in java to print the sum of following series:
s= 9,99,8,89,7,79,........................1,19

Answer 1

⭐hey there!!

import java.util.*;

class sum_series

{

public static void main(String args[])

{

int a=9,b=99,s=0,n,c;

Scanner sc = new Scanner(System.in);

System.out.println("Enter the value of n");

n=sc.nextInt();

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

{

c=a+b;

s=s+c;

a=a-1;

b=b-10;

}

System.out.println("SUM="+s);

}

}