Question

Write a programt print the sum of the series s=1-2+3-4+5+6+7...n

Answer 1

refer too the attachment given above

Answer 2

Question:-

Write a program to print the sum of the series.

S=1-2+3-4+5-6+....N

Code:-

import java.util.*;

class Series

{

public static void main(String args[])

{

Scanner sc = new Scanner(System.in);

System.out.print("Enter the total number of terms for series sum: ");

int n=sc.nextInt();

int s=0;

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

s+=(j%2!=0)?j:-j;

System.out.println("Sum is: "+s);

}

}