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LuTiao Programming
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LuTiao Programming

LuTiao Programming is a friendly community offering free programming lessons. We inspire learners to explore new ideas and technologies and quickly acquire job-ready skills.

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Recent Articles

Latest from LuTiao Programming

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LuTiao Programming
LuTiao Programming
May 14, 2026 · Backend Development

How Claude Code Took Over My Spring Boot Backend and Eliminated Wasted Overtime

After integrating Claude Code into a Spring Boot micro‑service project, the author discovered that most of the previous overtime was spent on repetitive boilerplate—controllers, DTOs, services, tests, and documentation—and that Claude Code can generate, refactor, and test these artifacts in minutes, freeing developers to focus on architecture and business logic.

AI programmingClaude CodeSpring Boot
0 likes · 11 min read
How Claude Code Took Over My Spring Boot Backend and Eliminated Wasted Overtime
LuTiao Programming
LuTiao Programming
May 12, 2026 · Backend Development

Stop Splitting Databases: Spring Boot + PostgreSQL Schema Multi‑Tenant Best Practice for Performance

This article explains why naïve database‑per‑tenant designs cause resource waste and operational headaches, and demonstrates how Spring Boot, Hibernate, and PostgreSQL schemas provide a lightweight, high‑performance multi‑tenant architecture with strong isolation, low overhead, and easy scalability.

HibernateMulti-TenancyPostgreSQL
0 likes · 16 min read
Stop Splitting Databases: Spring Boot + PostgreSQL Schema Multi‑Tenant Best Practice for Performance
LuTiao Programming
LuTiao Programming
May 11, 2026 · Backend Development

Why @RequestBody Is More Than Just JSON: Handling Multiple Request Formats in Spring Boot

This article explains how Spring MVC’s @RequestBody annotation is a universal entry point for HTTP request bodies, supporting JSON, XML, plain text, binary streams, maps, lists, and custom media types through its HttpMessageConverter mechanism, with concrete code examples and configuration details.

HttpMessageConverterRequestBodySpring Boot
0 likes · 12 min read
Why @RequestBody Is More Than Just JSON: Handling Multiple Request Formats in Spring Boot
LuTiao Programming
LuTiao Programming
May 8, 2026 · Fundamentals

Why Knowing Hundreds of Design Patterns Still Breaks Your Code—and How an Engineering Decision Method Helps

Many developers learn dozens of design patterns but still end up with fragile, hard‑to‑maintain code; the article explains that the real key is to identify system problems first and apply a disciplined engineering decision method, illustrated with concrete Factory, Builder, Strategy, Template, Decorator, Adapter, Observer and Mediator examples.

Builder PatternDesign PatternsFactory Pattern
0 likes · 16 min read
Why Knowing Hundreds of Design Patterns Still Breaks Your Code—and How an Engineering Decision Method Helps
LuTiao Programming
LuTiao Programming
May 6, 2026 · Backend Development

Can You Build an MCP Server with Spring Boot? Complete Java Guide to Standardized AI APIs

This article explains why the Model Context Protocol (MCP) is becoming the universal AI interface standard, compares three implementation approaches, and provides a step‑by‑step tutorial for Java developers to create a production‑ready MCP server with Spring Boot, including tool definition, registration, controller, LLM integration, and best‑practice optimizations.

AIJavaLLM
0 likes · 10 min read
Can You Build an MCP Server with Spring Boot? Complete Java Guide to Standardized AI APIs
LuTiao Programming
LuTiao Programming
May 6, 2026 · Fundamentals

HashMap Deep Dive: How Hash Collisions Are Resolved and When Lists Turn into Red‑Black Trees

HashMap is not a simple key‑value store but an array‑based scheduling system that uses a three‑step put process, hash perturbation, bit‑wise indexing, and conditional conversion of long bucket lists into red‑black trees, with resize mechanics that can become performance bottlenecks in high‑concurrency Java applications.

Data StructuresHashMapJava
0 likes · 8 min read
HashMap Deep Dive: How Hash Collisions Are Resolved and When Lists Turn into Red‑Black Trees
LuTiao Programming
LuTiao Programming
May 5, 2026 · Industry Insights

No Resumes, No Job Boards: How I Made High‑Pay Remote Positions Seek Me Out

The author explains how developers can bypass traditional resume submissions and job‑board hunting by joining talent networks, compares platforms such as Toptal, Turing, Arc and Andela, outlines the interview stages, highlights income and remote‑work benefits, and shares practical strategies to increase match rates.

Career AdviceInterview ProcessJob Platforms
0 likes · 9 min read
No Resumes, No Job Boards: How I Made High‑Pay Remote Positions Seek Me Out
LuTiao Programming
LuTiao Programming
May 4, 2026 · Backend Development

Barclays 2026 Java Spring Boot Microservices Interview Q&A: Deep Dive into Core Concepts

This article dissects a comprehensive set of Barclays Java Spring Boot microservices interview questions, covering HashMap internals, REST method semantics, code implementations, Spring dependency injection, JDBC evolution, JPA/Hibernate usage, SQL injection defenses, microservice architecture essentials, and best‑practice REST API design.

HashMapJavaREST API
0 likes · 9 min read
Barclays 2026 Java Spring Boot Microservices Interview Q&A: Deep Dive into Core Concepts