Could you change the summation() method so that it handles both positive and negative values? If so, what would need to change in the code? 2829303132 }//end class|else //if position is 2 or morereturn fibonacciSequence(positionN-1)+fibonacciSequence(positionN-2);//add previous 2 position values}//end method 3 public class Recursive {public static void main(String[] args) {System.out.println("Summation of 5 = "+summation(5));System.out.println("Summation of 1 = "+summation(1));System.out.println("Summation of 10 = "+summation(10));System.out.println("Summation of 1 = "+summation(1));System.out.println("Summation of 7 = "+summation(7));407891011121314151617018192021System.out.println("The first position value in Fibonacci Sequence is "+fibonacciSequence(1));System.out.println("The third position value in Fibonacci Sequence is "+fibonacciSequence (3));System.out.println("The seventh position value in Fibonacci Sequence is "+fibonacciSequence(7));System.out.println("The twentith position value in Fibonacci Sequence is "+fibonacciSequence(20));}public static int summation(int n) {//function takes one number and return summation of 1 to nif (n==1) {//if number n is 1, simply return 1return 1;}else {//if n is more than 1return (n + summation(n-1));//add number and call summation(n-1) which will find summation of next lower numbe}//end else}//end methodprivate static int fibonaccisequence(int positionN) {//method takes one position integerif (positionN<=1) {//if position is 0, return 0, if it is 1, return 1return positionN;222324250262787

Code: iam highlighting(bold) the changes I have done to add negative integers also.... import…

Answered: Could you change the summation() method…

Could you change the summation() method so that it handles both positive and negative values? If so, what would need to change in the code?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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