{"id":26057624,"url":"https://github.com/abhishek6619/java-dsa","last_synced_at":"2026-05-28T03:31:40.135Z","repository":{"id":270857299,"uuid":"911668293","full_name":"abhishek6619/Java-DSA","owner":"abhishek6619","description":"Here you will get all java resources and help you to learn and master Java programming along with essential DSA concepts, preparing them for coding interviews and competitive programming. 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It is designed for beginners and intermediate learners who want to excel in software development, competitive programming, and technical interviews.\n\n---\n\n## Why Learn Java \u0026 DSA? 🤔\n\n✅ **Java is Versatile** – Used in web development, mobile apps, and enterprise applications.  \n✅ **Object-Oriented Programming (OOP)** – Makes code reusable and maintainable.  \n✅ **DSA is Essential** – Helps in solving complex problems efficiently.  \n✅ **High Demand in Jobs** – Tech giants like Google, Amazon, and Microsoft test DSA skills in interviews.\n\n---\n\n## Course Outline 📖\n\nThe course is divided into two major sections: **Java Programming** and **Data Structures \u0026 Algorithms (DSA)**.\n\n### 🟢 **Java Programming Basics**\n\n- Introduction to Java\n- Setting Up Java \u0026 IDE (IntelliJ, Eclipse, VS Code)\n- Variables, Data Types, and Operators\n- Control Flow (if-else, switch-case)\n- Loops (for, while, do-while)\n- Functions and Recursion\n- Object-Oriented Programming (OOP)\n  - Classes \u0026 Objects\n  - Inheritance\n  - Polymorphism\n  - Encapsulation\n  - Abstraction\n\n### 🟡 **Data Structures**\n\n- Arrays \u0026 Strings\n- Linked Lists (Singly, Doubly, Circular)\n- Stacks \u0026 Queues\n- HashMaps \u0026 HashSets\n- Trees (Binary Trees, BST, AVL Trees)\n- Graphs (DFS, BFS, Dijkstra's Algorithm)\n- Heaps \u0026 Priority Queues\n- Trie Data Structure\n\n### 🔴 **Algorithms**\n\n- Sorting Algorithms (Bubble Sort, Selection Sort, Merge Sort, Quick Sort)\n- Searching Algorithms (Linear Search, Binary Search)\n- Recursion \u0026 Backtracking\n- Dynamic Programming (Knapsack, Fibonacci, LCS)\n- Greedy Algorithms\n- Graph Algorithms (Dijkstra’s, Floyd-Warshall, Kruskal’s, Prim’s)\n\n### 🔥 **Interview Preparation \u0026 Competitive Programming**\n\n- Coding Interview Questions\n- Time \u0026 Space Complexity Analysis\n- LeetCode, CodeChef, CodeForces Problem-Solving\n\n---\n\n## Installation 🔧\n\nTo run Java programs, install **Java Development Kit (JDK)**.\n\n### Install JDK (Windows, macOS, Linux)\n\n- Download and install JDK from **[Oracle](https://www.oracle.com/java/technologies/javase-downloads.html)**\n- Verify installation:\n  ```bash\n  java -version\n  javac -version\n  ```\n\n## Install an IDE (Recommended)\n\nYou can write Java code using:\n\n- [IntelliJ IDEA](https://www.jetbrains.com/idea/) \u003cbr\u003e\n- [Eclipse](https://www.eclipse.org/) \u003cbr\u003e\n- [VS Code](https://code.visualstudio.com/) with Java extensions\n\n## Running Java Programs ▶️\n\nAfter writing a Java program, compile and execute it using:\n\n```java\njavac HelloWorld.java\njava HelloWorld\n```\n\n**Example:**\n\n```java\npublic class HelloWorld {\n    public static void main(String[] args) {\n        System.out.println(\"Hello, Java with DSA!\");\n    }\n}\n```\n\n## Learning Resources 📖\n\nHere are some great resources to learn Java \u0026 DSA:\n\n- [📘 Java - Oracle Docs](https://docs.oracle.com/javase/tutorial/)\n- [🌐 GeeksforGeeks - Java DSA](https://www.geeksforgeeks.org/data-structures/)\n- [📺 YouTube DSA Tutorials (freeCodeCamp, CodeWithHarry, etc.)](https://www.youtube.com/results?search_query=java+dsa+tutorial)\n- 📝 \u003ca href=\"https://leetcode.com/\" target=\"_blank\"\u003eLeetCode\u003c/a\u003e,\n  \u003ca href=\"https://www.codechef.com/\" target=\"_blank\"\u003eCodeChef\u003c/a\u003e,\n  \u003ca href=\"https://codeforces.com/\" target=\"_blank\"\u003eCodeForces\u003c/a\u003e)\n\n## Contributing 🤝\n\nContributions are welcome! Follow these steps to contribute:\n\n- Fork the repository.\n- Create a new branch (git checkout -b feature-branch).\n- Commit your changes (git commit -m \"Added new topic\").\n- Push to the branch (git push origin feature-branch).\n- Create a Pull Request.\n\n## License 📜\n\nThis course is open-source and distributed under the MIT License.\n\n## Author 👤\n\nAbhishek Singh\u003cbr\u003e\n\n\u003ca href=\"https://github.com/abhishek6619/\" target=\"_blank\"\u003eGithub\u003c/a\u003e\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fabhishek6619%2Fjava-dsa","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fabhishek6619%2Fjava-dsa","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fabhishek6619%2Fjava-dsa/lists"}