Java DSA 🖥️💡

DSA in Java – In Progress 🧠⚡

This repository contains my Java implementations of Data Structures and Algorithms (DSA).
It’s a work-in-progress where I’m practicing problem-solving, building concepts, and preparing for competitive programming 🏆 and coding interviews 💻.

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📚 Topics Covered

Topic	Description	Diagram / Example
Arrays 📊	1D & 2D arrays, Searching, Sorting, Subarrays, Prefix Sum	[1, 2, 3, 4]
Linked Lists 🔗	Singly & Doubly, Insertion, Deletion, Reversal, Cycle Detection	Head -> 1 -> 2 -> 3 -> NULL
Stacks 🗂️	LIFO, Push/Pop, Applications	Top -> [3,2,1]
Queues 🗂️	FIFO, Circular Queue, Priority Queue	Front -> 1,2,3 <- Rear
Recursion & Backtracking 🔄	N-Queens ♟️, Maze 🌀, Subsets, Permutations	Recursive call tree (text representation)
Hashing & HashMaps 🗃️	Frequency counting, Key-Value storage	{"a":1, "b":2}
Trees 🌳	Binary Tree, BST, AVL, Traversals	1\n / \\\n 2 3
Graphs 🌐	BFS, DFS, Shortest Path algorithms	0 -> 1,2\n1 -> 2\n2 -> 0,3\n3 -> 3
Dynamic Programming 📈	Fibonacci 🔢, Knapsack 🎒, LCS, Matrix Chain Multiplication	DP table / text example
Advanced ⚡	Greedy 💰, Divide & Conquer ✂️, Bit Manipulation 🔧, Sliding Window	Example problems

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⚙️ Tools & Setup

Tool	Purpose
Java ☕	Programming Language
VS Code 💻	IDE
Eclipse 🛠️	IDE
javac	Compile .java files
java ClassName	Run Java programs

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📌 Notes

• Only .java source files are included – .class files are ignored 🚫
• Actively updated 🔄
• For personal/student use only 🎓

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🚀 Goals

• Strengthen problem-solving & logical thinking 💡
• Prepare for coding interviews & competitive programming 🏆
• Build a personal library of DSA solutions in Java 📂

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👤 Author

Shruti P. Sangvikar ✨
3rd Year Engineering Student 🎓