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Iterative Constructs in Java

Chapter 9

Iterative Constructs in Java

Class 10 - Logix Kips ICSE Computer Applications with BlueJ


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Java Program: Sum of Powers Series


30 (i). Write a program in Java to find the sum of the given series:

x1 + x2 + x3 + x4 + ..... + xn

Program Title: Sum of Powers Series

import java.util.Scanner;

 

public class SumOfPowersSeries {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);

 

        System.out.print("Enter the value of x: ");

        double x = sc.nextDouble();

 

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

        int n = sc.nextInt();

 

        double sum = 0.0;

 

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

            sum += Math.pow(x, i);

        }

 

        System.out.println("Sum of the series is: " + sum);

 

        sc.close();

    }

}

Output

Sample Input / Output
Enter the value of x: 2
Enter the number of terms (n): 5
Sum of the series is: 62.0

📝 Explanation

2+ 2+ 2+ 2+ 2= 2 + 4 + 8 + 16 + 32 = 62