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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
Dec 30, 2025 · Backend Development

Mastering javatuples: Create and Manipulate Tuples in Java

This guide explains why Java developers often need to return multiple values, introduces the javatuples library as a lightweight solution, and walks through adding the Maven dependency, using core tuple classes, creating tuples via factories or constructors, accessing and modifying elements, and converting tuples to collections or arrays.

Code ExamplesJavaMaven
0 likes · 9 min read
Mastering javatuples: Create and Manipulate Tuples in Java
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 25, 2025 · Backend Development

Master Spring Boot 3 Functional Routing: Handlers, Reactive APIs, and Advanced Techniques

This article explains how to replace annotation‑based controllers with Spring Boot 3 functional routing, covering both servlet‑blocking and reactive WebFlux implementations, complete with code examples for handlers, routers, parameter validation, nested routes, filters, and resource redirects.

Functional RoutingHandlerFunctionRouterFunction
0 likes · 10 min read
Master Spring Boot 3 Functional Routing: Handlers, Reactive APIs, and Advanced Techniques
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 15, 2025 · Backend Development

5 Efficient Ways to Check Record Existence in Spring Boot 3

This article compares five practical techniques—custom findBy, Query‑by‑Example, existsBy, COUNT aggregation, and native CASE WHEN EXISTS SQL—to determine whether a database record exists in Spring Boot 3.5.0, providing code examples, generated SQL, performance notes, and recommendations for each approach.

Query by ExampleSQLSpring Boot
0 likes · 9 min read
5 Efficient Ways to Check Record Existence in Spring Boot 3
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 11, 2025 · Backend Development

Master Spring Boot 3: Real‑World Config File Tricks and Advanced Use Cases

This guide walks through Spring Boot 3's externalized configuration system, showing how to locate, rename, and override property files, use optional and wildcard locations, import additional resources, handle missing files, and apply profile‑specific settings with concrete command‑line examples and code snippets.

Config FilesExternalized ConfigurationJava
0 likes · 12 min read
Master Spring Boot 3: Real‑World Config File Tricks and Advanced Use Cases
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 10, 2025 · Backend Development

Mastering Java MethodHandle: From Lookup to Performance Benchmarks

This article provides a comprehensive guide to Java MethodHandle, covering its differences from reflection, step‑by‑step creation (Lookup, MethodType, finding handles, invocation), advanced techniques like binding and dropping arguments, array spreading, and a JMH performance comparison with reflection, all demonstrated in a Spring Boot 3.4.2 environment.

JMHJavaMethodHandle
0 likes · 10 min read
Mastering Java MethodHandle: From Lookup to Performance Benchmarks
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 4, 2025 · Backend Development

Unlock Java Code Analysis with Spoon: Real‑World Spring Boot 3 Cases

This article introduces the open‑source Spoon library for Java source‑code analysis and transformation, demonstrates how to integrate it with Spring Boot 3, and provides step‑by‑step examples—including visual AST inspection, empty‑catch detection, architecture rule validation, field usage checks, reflection replacement, and automatic code modifications such as adding fields, constructors, logging, and null‑checks.

ASTBackend DevelopmentJava
0 likes · 16 min read
Unlock Java Code Analysis with Spoon: Real‑World Spring Boot 3 Cases
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Dec 3, 2025 · Backend Development

Mastering Spring Boot 3 TransactionExecutionListener with Real‑World Code

This article introduces Spring Boot 3's TransactionExecutionListener, explains its purpose compared to traditional transaction hooks, provides a complete code example—including entity, service, custom listener, and test cases—and demonstrates how to observe transaction phases and handle both successful commits and rollbacks.

JavaSpring BootTransactionExecutionListener
0 likes · 10 min read
Mastering Spring Boot 3 TransactionExecutionListener with Real‑World Code