---
title: "Discussion on \"Counting Subarrays with Sum Equal to K: A Prefix Sum Approach in Java\" | Hashnode"
description: "Discussion on \"Counting Subarrays with Sum Equal to K: A Prefix Sum Approach in Java\". Finding subarrays with a specific sum is a classic problem in computer science. In this blog post, we'll explore an efficient solution using the concept of prefix sums and a HashMap in Java.\nUnderstanding the Problem\nGiven an array of integers num an..."
url: "https://hashnode.com/posts/counting-subarrays-with-sum-equal-to-k-a-prefix-sum-approach-in-java/67d11401be5dae25a8d13f9e"
---

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# [Counting Subarrays with Sum Equal to K: A Prefix Sum Approach in Java](https://javenture.hashnode.dev/counting-subarrays-with-sum-equal-to-k-a-prefix-sum-approach-in-java?utm_source=hashnode&utm_medium=feed)

Finding subarrays with a specific sum is a classic problem in computer science. In this blog post, we'll explore an efficient solution using the concept of prefix sums and a HashMap in Java. Understanding the Problem Given an array of integers num an...

Mar 12, 2025 · 4 min read · javenture.hashnode.dev  
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