Day 0/90 ✋ I commit to 90 days of consistency: solving DSA daily, mastering patterns, and building my Ridevia Car Rental System into a production-ready full stack project with Java, Spring Boot, React, and MySQL. No excuses — #90DaysChallenge #DSA #FullStack #React #springboot
Day 45 Project Update:Cached cars module using Redis to boost performance LC Solved: • Delete Nodes From Linked List Present in Array • Subset Bit by bit, building speed and precision #100DaysOfCode #Java #SpringBoot #Redis #DSA #RideVia #BackendDevelopment #ProblemSolving
Day 43 LC: Kth Largest Element in an Array,K Closest Points to Origin, Design Twitter (OOP + PQ logic ) Spring Boot Updates: Redis caching for booking module Added secure properties handling using env Integrated logging #100DaysOfCode #Java #SpringBoot #Redis #DSA #NeetCode
Day 42 LC: Last Stone Weight Kth Largest Element in a Stream Fixed errors in Redis caching in my RideVia Spring Boot project to boost performance Bit by bit, stacking skills every day 🧱 #100DaysOfCode #Java #SpringBoot #Redis #DSA
Day 41: LC: Delete Node in a BST, Construct Binary Tree from PostOrder and Inorder Traversal Learnt: Heap & Heapify, PriorityQueue fundamentals Spring Boot->Redis caching into my existing RideVia project -fast Data retrieval. #100DaysOfCode #SpringBoot #DSA #NeetCode250
Day 40 LC: Construct Binary Tree from Preorder and Inorder Traversal Serialize and Deserialize Binary Tree Delete Leaves With a Given Value #100DaysOfCode #Java #SpringBoot #DSA #NeetCode #BinaryTree #DevLife
Day 38 LC: Path Sum,Count Good Nodes in Binary Tree,Same Tree 💻 Backend: Integrated OAuth2 + JWT Authentication in my previous RideVia Car Rental System (Spring Boot). Learned a lot about secure API access and token flow #100DaysOfCode #Java #SpringBoot #OAuth2 #JWT #RideVia
Day 37 ✅ — Revision Week Complete Wrapped up my revision week today! 🔁 From arrays to stacks — revised all the core DSA patterns. Starting tomorrow: 🌳 Diving deep into Trees & Graphs 💻 Beginning Frontend + React learning journey #100DaysOfCode #Java #SpringBoot #DSA
Day 36 🔁 Revised all Stack problems today — from Valid Parentheses to Largest Rectangle in Histogram. Felt the logic finally click this time 💪 #100DaysOfCode #Java #DSA #LeetCode #DevLife
Day 35 Leetcode: •Sliding Window Maximum ✅ •Minimum Window Substring ✅ Spring Boot: Revisited testing concepts — learned about @Mock, unit tests, and cleaner test structure . Steady progress. #100DaysOfCode #Java #SpringBoot #LeetCode #Testing #DevLife
Day 35 Revision continues Solved some sliding window problems Revisited them And for dev Revised and learned Jwt vs sessions Why we use jwt stateless How to store it What is use of session
Day 34 LeetCode (Revision Week): Two Pointer Questions Array and Hashing Questions #NeetCode250 sheet 90 / 250 Learned about OAuth2 User authorizes → Client gets code → Client exchanges code for token → Client uses token to access data. Safe and req no password.
Day 33 Revisited Arrays and hashing q's neetcode 250 sheet.
Happy Diwali Friends Today I Just Enjoyed my day. No work No Regret Full Enjoyment #100DaysofCode
Hello friends ! Today on day 32. I revised the whole arrays and hashing section of neetcode 250 , In spring boot i have learnt about oauth2. My target is to revise all the concepts that i have learnt till now. Meanwhile i am thinking to implement the things in pervious project.
Day 31 ⚡ LeetCode grind: Balanced Binary Tree Lowest Common Ancestor of a BST Insert into a BST Spring Boot: Learned about environment variables & keeping .properties files safe — no more exposed creds #100DaysOfCode #Java #SpringBoot #LeetCode #Security #DevLife
Day 29 🧩 LC: Binary Tree Level Order Traversal , Diameter of Binary Tree Spent hours fighting a weird Redis–JWT auth conflict 😩 (still not fixed) Taking it slow today — Had my HCLTech interview today🤞 #100DaysOfCode #Java #SpringBoot #LeetCode #DevLife #InterviewPrep
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