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Spring Full-Stack Practical Cases
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Spring Full-Stack Practical Cases

Full-stack Java development with Vue 2/3 front-end suite; hands-on examples and source code analysis for Spring, Spring Boot 2/3, and Spring Cloud.

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Recent Articles

Latest from Spring Full-Stack Practical Cases

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Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 5, 2026 · Backend Development

Master Spring Boot 3 Parameter Binding: From @RequestBody to Custom Converters

This tutorial walks through Spring Boot 3.5.0 request parameter binding techniques—including @RequestBody for POST, automatic GET binding, field restrictions, required fields, nested objects, validation annotations, custom enum conversion, and programmatic data binding—providing code samples and execution results for each case.

Backend DevelopmentCustom ConverterInitBinder
0 likes · 8 min read
Master Spring Boot 3 Parameter Binding: From @RequestBody to Custom Converters
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Apr 3, 2026 · Databases

10 Must‑Know MySQL Advanced Techniques to Supercharge Performance

This article presents ten practical MySQL advanced techniques—including EXPLAIN analysis, composite and covering indexes, index condition push‑down, prefix indexes, window functions, CTEs, JSON handling, partition tables, join optimizations, variables, online DDL, and generated columns—each illustrated with real‑world SQL examples and execution‑plan screenshots to boost efficiency in high‑volume, high‑concurrency environments.

Advanced SQLCTEIndex Optimization
0 likes · 16 min read
10 Must‑Know MySQL Advanced Techniques to Supercharge Performance
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 10, 2026 · Backend Development

Implement Multi-Factor Authentication in Spring Boot 3 with One‑Time Tokens

This guide explains how to add MFA to a Spring Boot 3 application using password plus one‑time token authentication, covering the theory of MFA factors, required dependencies, API definitions, security configuration, token‑generation handling, custom login pages, and the complete verification flow with code snippets and screenshots.

JavaMFASpring Security
0 likes · 10 min read
Implement Multi-Factor Authentication in Spring Boot 3 with One‑Time Tokens
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 7, 2026 · Backend Development

Mastering Resource Loading in Spring Boot 3: From @Value to ResourcePatternResolver

This guide explains how to load files in Spring Boot 3 using the Resource abstraction, covering classpath, filesystem, and URL prefixes, @Value injection, direct Resource instantiation, dynamic loading with ResourceLoader, and bulk loading with ResourcePatternResolver, plus common pitfalls and best‑practice code examples.

JavaSpring Frameworkbackend-development
0 likes · 11 min read
Mastering Resource Loading in Spring Boot 3: From @Value to ResourcePatternResolver
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 1, 2026 · Backend Development

8 Common Java Collection Mistakes That Kill Performance (and How to Fix Them)

This article reveals eight frequent Java collection pitfalls—such as costly ArrayList insertions, inefficient LinkedList access, repeated contains checks, missing initial capacities, unordered HashMaps, modifying collections during streams, misuse of parallelStream, and in‑memory caches—explaining why they degrade performance and providing concrete, code‑driven alternatives.

Backend DevelopmentCollectionsJava
0 likes · 10 min read
8 Common Java Collection Mistakes That Kill Performance (and How to Fix Them)
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 23, 2026 · Backend Development

8 Essential Null‑Handling Rules for Spring Boot 3 to Prevent NPEs

This article presents eight concrete rules for handling null values in Spring Boot 3 applications, illustrating common pitfalls with code snippets, explaining production‑impact risks, and offering best‑practice solutions such as using empty collections, explicit null checks, proper Optional usage, and consistent API design.

Best PracticesCollectionsJava
0 likes · 11 min read
8 Essential Null‑Handling Rules for Spring Boot 3 to Prevent NPEs
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 16, 2026 · Backend Development

7 Common Spring Boot 3 Performance Pitfalls and How to Fix Them

This article examines seven frequent performance problems when using Spring Data JPA in Spring Boot 3—such as eager loading, N+1 queries, returning entities from controllers, eager fetch misuse, oversized transactions, count‑heavy pagination, and logging entities—and provides concrete code‑level solutions like DTO projections, EntityGraph, slice pagination, and proper transaction separation.

DTOEntityGraphSpring Boot
0 likes · 9 min read
7 Common Spring Boot 3 Performance Pitfalls and How to Fix Them