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nikhilboorla
Series Program
2 Answer(s)      a year and 9 months ago
Posted in : Java Beginners


Please help me to write code for this series Write a Java Method to solve the following problem: a.Evaluate the result of the series: 1-2+3-4+5-6+??+n


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March 13, 2013 at 11:28 AM


hi friend,

Try the following code may this will be helpful for you

package net.roseindia;

import java.util.Scanner;

public class SumOfSeries {

    public static void sum(int n)
    {
        int total = 0;
        for(int i=1; i<=n; i++)
        {
            if(i<n)
            {
            System.out.print(i+"+");
            }           
            total = total+i;    
        }
        System.out.println(n+" = "+total);              
    }
    public static void main(String args[])
    {
        Scanner scan = new Scanner(System.in);
        System.out.print("Enter the last number : ");
        int num = scan.nextInt();
        sum(num);
    }
}


March 14, 2013 at 12:37 AM


o/p is displaying 1+2+3+4+5=15

But i need o/p as 1+2-3+4-5=-1



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