LeetJourney

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Welcome! 👋 You're in the right place if you want to ace your technical interviews and level up as a software engineer. I'm a Senior Software Engineer with ye...

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Spring Boot - Beginner to Intermediate - Task Manager - Full Course (2026)

Spring Boot 4 - Actuator Endpoints (Part 13) Beginner to Intermediate - REST API

Spring Boot 4 - Spring Profiles (Part 12) Beginner to Intermediate - REST API

Spring Boot 4 - Application Properties (Part 11) Beginner to Intermediate - REST API

Spring Boot 4 - Entity Relationships (Part 10) Beginner to Intermediate - REST API

Spring Boot 4 - Filtering (Part 9) Beginner to Intermediate - REST API

Spring Boot 4 - Microservices portfolio project with Java - Full Course (2026)

Spring Boot 4 Microservices Project - Home Energy Tracker - Testcontainers (Part 15 - FINAL)

Spring Boot 4 Microservices Project - Home Energy Tracker - Observability (Part 14)

Spring Boot 4 Microservices Project - Home Energy Tracker - Open API Docs and Swagger UI (Part 13)

Spring Boot 4 Microservices Project - Home Energy Tracker - JWT & Keycloak OAuth2 (Part 12)

Spring Boot 4 Microservices Project - Home Energy Tracker - AI AGENTS.md File (Part 11)

Spring Boot 4 Microservices Project - Home Energy Tracker - Circuit Breaker Pattern (Part 10)

Spring Boot 4 Microservices Project - Home Energy Tracker - API Gateway (Part 9)

Spring Boot 4 - Pagination and Sorting (Part 8) - JPA Beginner to Intermediate - REST API

Spring Boot 4 The NEW Way to Call REST APIs (HTTP Interface Client Explained)

Spring Boot 4 Microservices Project - Home Energy Tracker - Insight Service & Ollama (Part 8)

Spring Boot 4 - DTOs - Data Transfer Objects (Part 7) Beginner to Intermediate - REST API

Spring Boot 4 - Input Validation (Part 6) Beginner to Intermediate - Jakarta Bean Validation

Most Asked Spring Boot Interview Questions & Answers (in 2026)

Spring Boot 4 - Exceptions (Part 5) Beginner to Intermediate - REST API

Spring Boot 4 Microservices Project - Home Energy Tracker - Alert Service & Mailpit SMTP (Part 7)

Spring Boot 4 - Service Layer (Part 4) Beginner to Intermediate - REST API

Spring Boot 4 Microservices Project - Home Energy Tracker - Usage Service & Influx DB (Part 6)

Spring Boot 4 - Spring Data JPA (Part 3) Beginner to Intermediate - REST API

I Vibe Coded a Live Flight Tracker in 10 minutes - Google Antigravity

Spring Boot 4 - CRUD Endpoints (Part 2) Beginner to Intermediate - REST API

Spring Boot 4 - Project Structure and Rest Controller (Part 1) Beginner to Intermediate - REST API

Spring Boot 4 Microservices Project - Home Energy Tracker - Ingestion Service & Kafka (Part 5)

How to run Kafka KRaft Mode - with Kafbat UI - Docker Compose