carefree-ladka

LeetCode Java Solutions: Brute Force & Optimal

Table of Contents

• Array
  • Two Sum
  • Best Time to Buy and Sell Stock
  • Contains Duplicate
  • Product of Array Except Self
• Maximum Subarray

carefree-ladka

Spring Boot Internals

A deep-dive into how Spring Boot reduces configuration and starts your app automatically. Great for interview prep and understanding the framework under the hood.

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Table of Contents

1. What Happens When You Run a Spring Boot App
2. @SpringBootApplication Explained

carefree-ladka

Java Reflection API

Java Reflection is a powerful feature of the Java language that allows programs to inspect, examine, and modify their own structure and behavior at runtime — without knowing the types or members at compile time.

Reflection is part of the java.lang.reflect package and works via the java.lang.Class object.

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Table of Contents

carefree-ladka

🚀 Spring Boot Complete Roadmap (2026)

A structured, phase-by-phase guide from beginner to production-grade microservices engineer.

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📋 Table of Contents

1. Phase 1 – Spring Boot Fundamentals

• 1.1 Introduction to Spring Boot

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Frontend System Design Interview Guide (RADIO Framework)

RADIO = Requirements → Architecture → Data Model → Interface (API) → Optimizations

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Table of Contents

1. Google Sheets

• 1.1 Requirements

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💪 Gym Workout Roadmap

A 6-day hypertrophy-focused training split targeting all major muscle groups with progressive overload principles.

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📋 Table of Contents

• Day 1 — 🏋️ Chest + Triceps
• Day 2 — 🔙 Back + Biceps

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React Machine Coding Rounds — The Complete Playbook

Companies don't just evaluate your code. They evaluate your thinking. This guide covers everything from round structure to the hidden rubric interviewers use — so you walk in knowing what's actually being measured.

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Table of Contents

1. Round Structure & Format
2. Question Bank by Level

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React Internals: VDOM, Diffing, Reconciliation & Fiber

A complete mental model of how React works under the hood — from the Virtual DOM to Fiber scheduling. Built for engineers preparing for staff-level interviews.

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Table of Contents

1. The Problem React Solves
2. Virtual DOM — What It Actually Is

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The 50L+ Frontend Engineer Interview Playbook

At high salaries, they don't hire based on what you know. They hire based on how you think when you don't know.

This guide is organized by topic in the exact priority order that maximizes salary potential fastest — especially if you already have 5–7 years of experience.

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Table of Contents

carefree-ladka

Frontend UI Scalability: The Senior Engineer's Interview Playbook

A structured guide to answering scalability questions like a staff-level frontend engineer — covering rendering, state, architecture, performance, and observability.

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Table of Contents

1. Why Scalability Questions Are Different
2. Rendering Performance at Scale