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Java program to find the sum of elements of an array
To find the sum of elements of an array.
- create an empty variable. (sum)
- Initialize it with 0 in a loop.
- Traverse through each element (or get each element from the user) add each element to sum.
- Print sum.
Example
import java.util.Arrays; import java.util.Scanner; public class SumOfElementsOfAnArray { public static void main(String args[]){ System.out.println("Enter the required size of the array :: "); Scanner s = new Scanner(System.in); int size = s.nextInt(); int myArray[] = new int [size]; int sum = 0; System.out.println("Enter the elements of the array one by one "); for(int i=0; i<size; i++){ myArray[i] = s.nextInt(); sum = sum + myArray[i]; } System.out.println("Elements of the array are: "+Arrays.toString(myArray)); System.out.println("Sum of the elements of the array ::"+sum); } }
Output
Enter the required size of the array :: 5 Enter the elements of the array one by one 45 12 55 78 445 Elements of the array are: [45, 12, 55, 78, 445] Sum of the elements of the array ::635
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