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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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Latest from Spring Full-Stack Practical Cases

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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.

CollectionsJavaPerformance
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.

CollectionsJavaNPE prevention
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.

EntityGraphSpring Bootdto
0 likes · 9 min read
7 Common Spring Boot 3 Performance Pitfalls and How to Fix Them
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 3, 2026 · Backend Development

Master Java Reflection with the Reflector Library: Real‑World Examples

This article introduces the Reflector library—a comprehensive Java reflection utility—covers its core features, shows how to download it from GitHub, and provides step‑by‑step code examples for accessing private fields, invoking methods, creating instances, handling annotations, copying objects, and more, all with expected output.

Code ExampleJavaReflection
0 likes · 9 min read
Master Java Reflection with the Reflector Library: Real‑World Examples
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jan 30, 2026 · Backend Development

8 Hidden Hibernate Annotations That Supercharge Spring Boot 3

This guide explores eight lesser‑known Hibernate annotations—such as @EntityGraph, @Formula, @SQLRestriction, @SQLDelete, @JoinFormula, @Cache, @DynamicUpdate/Insert, and @Filter/FilterDef—demonstrating how they improve performance, simplify queries, and enhance data handling in Spring Boot 3 applications for developers.

HibernateSpring Bootannotations
0 likes · 11 min read
8 Hidden Hibernate Annotations That Supercharge Spring Boot 3
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jan 26, 2026 · Backend Development

How to Build and Use Spring AI Agent Skills in Spring Boot 3

This guide explains what Agent Skills are, shows their markdown‑based structure, and provides a step‑by‑step Spring Boot 3 example—including Maven dependencies, configuration, skill definition, controller registration, and troubleshooting—to enable modular AI capabilities in backend applications.

Spring AIagent-skillsbackend-development
0 likes · 10 min read
How to Build and Use Spring AI Agent Skills in Spring Boot 3
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jan 24, 2026 · Backend Development

10 Hidden Spring Boot 3 Settings to Supercharge Your Application Performance

This article reveals ten hidden Spring Boot 3 configuration tricks—from disabling the whitelabel error page and shrinking Tomcat threads to enabling HTTP/2, tuning HikariCP, caching static assets, and leveraging Actuator metrics—each illustrated with code snippets and practical steps to boost application performance.

ConfigurationJavaOptimization
0 likes · 7 min read
10 Hidden Spring Boot 3 Settings to Supercharge Your Application Performance