DSA-in-Java

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Algorithms and data structures implemented in Java

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# DSA in Java
This repository supplements our mobile app "VisiGrab: Algorithms & DSA", which offers interactive visualizations of algorithms and data structures. It provides code for the concepts demonstrated in the app and is an essential resource for users seeking to understand and explore these implementations in detail. Learn more about the app: [App Store](https://apps.apple.com/us/app/visigrab-learn-algorithms/id1484525469), [Google Play](https://play.google.com/store/apps/details?id=com.iov.lordofalgorithms).

## Topics Covered

- **Binary Trees** — BST (Standard, AVL, Red-Black), In-order / Pre-order / Post-order / Breadth-first traversals
- **Graphs** — BFS/DFS traversal, Dijkstra, Bellman-Ford, Minimum Spanning Tree (Kruskal, Prim), Topological Sort. The app also features an interactive Graph Constructor — tap to add vertices, drag between them to add edges, and watch the algorithms run on your custom graph in real time.
- **Linear Data Structures** — Array, Linked List, Stack, Queue
- **Min-Heap**
- **Sorting** — Bubble, Insertion, Selection, Merge, Quick (Lomuto & Hoare), Heap Sort
- **Hash Table**
- **Trie**
- **Union-Find**

## Contributing

While this project is open-source, it is not currently seeking contributions. You are welcome to fork and use the code according to the license, but please note that contributions or pull requests to this repository will not be accepted.

## Installation and Setup

To clone and run these examples locally, follow these steps:

```
git clone https://github.com/Lord-of-Algorithms/DSA-in-Java.git
```

## Usage

All commands must be run from the `src/` directory. Every source file declares a package (e.g. `package binarytree;`), so compiling or running from inside a package subfolder will fail to resolve imports.

```
cd DSA-in-Java/src
```

Then compile and run any example. For instance:

```
javac binarytree/BinarySearchTreeMain.java
java binarytree.BinarySearchTreeMain
```

Replace the path and class name with any other `*Main` class — they all follow the same pattern.

## License

This project is licensed under the MIT License. See the LICENSE file for more details.

## Rate the App

If VisiGrab has helped your learning, a quick rating on the [App Store](https://apps.apple.com/us/app/visigrab-learn-algorithms/id1484525469) or [Google Play](https://play.google.com/store/apps/details?id=com.iov.lordofalgorithms) helps other learners discover it. Thanks!

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