BlueJ Program To Display Sum of The Series s=1+(1+2+3)+ (1+2+3+4+5)+... n terms

BlueJ Program on sum of series like 1+(1+2+3)+ (1+2+3+4+5)+... n terms.

import java.util.*;

public class Series1

{

    Scanner sc=new Scanner(System.in);

    int s=0,n,i,j;

    public void secondSeries()

    {

          System.out.print("\nEnter the value of 'n':");

         n=sc.nextInt();

         s=0;

         for(i=1;i<=n;i=i+2)

         {

              for(j=1;j<=i;j++)

              {

                   s=s+j;

                }

            }

            System.out.print("Sum of the series 1+(1+2+3)+ (1+2+3+4+5)+... n terms.... n term:"+s);

            }

                  

            public static void main(String args[])

            {

                 Series1 obj=new Series1 ();

                 obj.secondSeries();

              }

            }

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