Java Advanced DSA

A comprehensive collection of Data Structures and Algorithms solutions implemented in Java.

This repository is a long-term personal project created to strengthen my problem-solving skills, prepare for software engineering interviews, and build a well-organized reference for Java DSA concepts.

Every solution is written, tested, documented, and maintained by me with an emphasis on clean code, readability, and algorithmic understanding.

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Created By

Karthik R

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Repository Vision

The goal of this repository is to build a high-quality Java DSA library that:

• Covers all important Data Structures and Algorithms
• Demonstrates multiple problem-solving techniques
• Maintains clean and consistent coding standards
• Serves as a quick revision guide before interviews
• Tracks my continuous learning journey through Git and GitHub
• Helps students and developers understand DSA through well-documented solutions

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Focus Areas

This repository focuses on:

• Writing clean and readable Java code
• Understanding algorithmic thinking instead of memorizing solutions
• Improving problem-solving ability
• Learning optimal approaches for interview questions
• Maintaining consistent Git commits and version history
• Building a professional GitHub portfolio

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Repository Structure

Java-Advanced-DSA
│
├── DataStructures
│   ├── Arrays
│   ├── Strings
│   ├── LinkedList
│   ├── Stack
│   ├── Queue
│   ├── Hashing
│   ├── Heap
│   ├── Tree
│   ├── Graph
│   └── Trie
│
├── Algorithms
│   ├── BinarySearch
│   ├── TwoPointers
│   ├── SlidingWindow
│   ├── Greedy
│   ├── Recursion
│   ├── Backtracking
│   ├── DynamicProgramming
│   ├── BitManipulation
│   ├── Sorting
│   └── Strings

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Every Solution Includes

Each Java file follows a consistent structure containing:

• Problem Name
• Created By
• LeetCode Problem Link (whenever available)
• Difficulty Level
• Approach Used
• Algorithm Name
• Time Complexity
• Space Complexity
• Well-structured JavaDoc
• Meaningful inline comments
• Sample main() method for testing

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Progress

I am continuously adding new problems to this repository.

Target

• 300+ Java DSA Problems
• Clean Documentation
• Well Commented Solutions
• Consistent Git Commits
• Topic-wise Organization

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Topics Covered

• Arrays
• Strings
• Linked Lists
• Stacks
• Queues
• Hashing
• Heaps
• Trees
• Binary Search Trees
• Graphs
• Tries

Algorithms

• Binary Search
• Two Pointers
• Sliding Window
• Greedy
• Recursion
• Backtracking
• Dynamic Programming
• Bit Manipulation
• Sorting Algorithms
• Graph Algorithms

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Coding Standards

Throughout this repository I follow:

• Meaningful variable names
• Proper class naming conventions
• Consistent formatting
• Java coding best practices
• Optimized solutions whenever applicable
• Detailed comments for better understanding

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Consistency

I am committed to solving and uploading Java DSA problems consistently while continuously improving my coding style, algorithmic thinking, and Git/GitHub workflow.

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Why This Repository?

This repository represents my continuous effort to become a better software engineer through:

• Daily practice
• Consistent learning
• Clean implementation
• Strong problem-solving
• Professional documentation

Every commit reflects incremental progress toward mastering Data Structures and Algorithms.

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Contributions

This repository is maintained as a personal learning project.

Suggestions, improvements, and discussions are always welcome.

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📜 License

This repository is available for learning and educational purposes.