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Java Program to find Sum of Array

Posted in Java Tutorial
Updated on Oct 30, 2024
By Mari Selvan
πŸ‘οΈ 38 - Views
⏳ 4 mins
πŸ’¬ 1 Comment
Java Program to find Sum of Array

Photo Credit to CodeToFun

πŸ™‹ Introduction

In the world of programming, array manipulation is a common and essential task. One frequent operation is finding the sum of elements in an array.

In this tutorial, we will explore a simple yet effective javaprogram that calculates the sum of elements in an array.

πŸ“„ Example

Let's dive into the java code that accomplishes this task.

SumOfArray.java
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public class SumOfArray {

  // Function to find the sum of array elements
  static int findSumOfArray(int[] arr) {
    int sum = 0;

    for (int value: arr) {
      sum += value;
    }

    return sum;
  }

  // Driver program
  public static void main(String[] args) {
    // Replace these values with your array elements
    int[] array = {1, 2, 3, 4, 5};

    // Call the function to find the sum
    int sum = findSumOfArray(array);

    // Print the result
    System.out.println("Sum of the array elements: " + sum);
  }
}

πŸ’» Testing the Program

To test the program with different array elements, simply replace the values in the array initialization.

Output
Sum of the array elements: 15

Compile and run the program to see the sum of the array elements.

🧠 How the Program Works

  1. The program defines a class SumOfArray containing a static method findSumOfArray that takes an array as input and returns the sum of its elements.
  2. Inside the method, it iterates through the array using an enhanced for loop and accumulates the sum.
  3. The main method initializes an array with sample values.
  4. It then calls the findSumOfArray method and prints the result.

🧐 Understanding the Concept of Sum of Array

Before diving into the code, it's essential to understand the concept of finding the sum of array elements. The sum of an array is obtained by adding up all the elements it contains.

For example, in the array {1, 2, 3, 4, 5}, the sum is 1 + 2 + 3 + 4 + 5 = 15.

🎒 Optimizing the Program

While the provided program is straightforward, you can explore optimizations such as handling large arrays, incorporating error checking, or parallelizing the sum calculation for improved performance.

Feel free to incorporate and modify this code as needed for your specific use case. Happy coding!

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Author

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πŸ‘‹ Hey, I'm Mari Selvan

For over eight years, I worked as a full-stack web developer. Now, I have chosen my profession as a full-time blogger at codetofun.com.

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Mari Selvan
Mari Selvan
10 months ago

If you have any doubts regarding this article (Java Program to find Sum of Array), please comment here. I will help you immediately.

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