---
title: "Discussion on \"LeetCode 39 · Combination Sum — Backtracking (Java) with Trace Tree\" | Hashnode"
description: "Discussion on \"LeetCode 39 · Combination Sum — Backtracking (Java) with Trace Tree\". Master LeetCode 39 Combination Sum with this clear Java backtracking guide. Includes recursion logic, pruning strategy, and a visual decision tree to help y"
url: "https://hashnode.com/posts/leetcode-39-combination-sum-backtracking-java-with-trace-tree/68f8ac0891ec2bfc92101e3d"
---

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# [LeetCode 39 · Combination Sum — Backtracking (Java) with Trace Tree](https://leetlog-by-chao.hashnode.dev/leetcode-39-combination-sum-backtracking-java-with-trace-tree?utm_source=hashnode&utm_medium=feed)

Master LeetCode 39 Combination Sum with this clear Java backtracking guide. Includes recursion logic, pruning strategy, and a visual decision tree to help y

Oct 22, 2025 · 4 min read · leetlog-by-chao.hashnode.dev  
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-   [#java](https://hashnode.com/tag/java)

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