Question

Write a program for the following problem
To print the following series
1.-2.3.-4.5.-6 upto n terms​

Answer 1

import java.util.Scanner;

public class Series {

public static void main(String[ ] args) {

System.out.print("Enter n - ");

int n = new Scanner(System.in).nextInt( );

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

System.out.print(((i % 2 = = 0) ? -i : i) + " ");

}

}

Answer 2

$\star\:\:\:\sf\large\underline\blue{Question:-}$

Write a program to display the following series:-

1 -2 3 -4 5 -6....N terms.

$\star\:\:\:\sf\large\underline\blue{Source\:Code:-}$

import java.util.*;

class Series

{

public static void main(String s[])

{

Scanner sc = new Scanner(System.in);

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

int n=sc.nextInt();

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

{

if(i%2!=0)

System.out.println(i+ " ");

else

System.out.println(-i+ " ");

}

} // end of main.

} // end of class.