Java Captain
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Java Captain

Focused on Java technologies: SSM, the Spring ecosystem, microservices, MySQL, MyCat, clustering, distributed systems, middleware, Linux, networking, multithreading; occasionally covers DevOps tools like Jenkins, Nexus, Docker, ELK; shares practical tech insights and is dedicated to full‑stack Java development.

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Latest from Java Captain

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Java Captain
Java Captain
Jun 24, 2025 · Backend Development

Master Spring Configuration: XML vs Java, Bean Lifecycle, and Advanced Profiles

This article explains Spring configuration files, comparing XML and Java (annotation‑based) approaches, details bean creation, scopes, initialization and destruction, and demonstrates advanced techniques such as conditional beans and profile‑specific configurations with clear code examples.

ConditionalConfigurationJava
0 likes · 6 min read
Master Spring Configuration: XML vs Java, Bean Lifecycle, and Advanced Profiles
Java Captain
Java Captain
Jun 17, 2025 · Backend Development

Mastering Client‑Side Load Balancing with Spring Cloud Ribbon

This article explains how Spring Cloud Ribbon provides client‑side load balancing, outlines its classification, core mechanisms, common algorithms, and shows step‑by‑step code to replace the default balancing rule in a Spring Boot microservice.

JavaLoad BalancingRibbon
0 likes · 5 min read
Mastering Client‑Side Load Balancing with Spring Cloud Ribbon
Java Captain
Java Captain
Jun 16, 2025 · Backend Development

Master MyBatis-Plus with Spring Boot: CRUD, Pagination & Multi-DataSource Guide

A comprehensive step‑by‑step tutorial shows how to integrate MyBatis‑Plus into a Spring Boot project, covering dependencies, configuration, entity annotations, CRUD operations, pagination, logical deletion, enum handling, automatic field filling, multi‑datasource support, and testing.

CRUDJavaMulti-DataSource
0 likes · 13 min read
Master MyBatis-Plus with Spring Boot: CRUD, Pagination & Multi-DataSource Guide
Java Captain
Java Captain
Jun 16, 2025 · Cloud Native

Mastering Eureka: Service Registration & Discovery for Resilient Microservices

This guide explains why learning the classic Eureka service registry remains valuable, compares architectures with and without Eureka, and provides step‑by‑step code for both non‑clustered and clustered setups, including self‑protection mode, load‑balanced clients, and how to retrieve registration information via DiscoveryClient.

EurekaSpring Cloudself‑protection
0 likes · 16 min read
Mastering Eureka: Service Registration & Discovery for Resilient Microservices
Java Captain
Java Captain
Jun 16, 2025 · Operations

How to Safely Remove WeChat Zombie Followers in 2025 Without Risk

This guide explains what WeChat "zombie" contacts are, why third‑party cleaning tools are dangerous, and provides four official, zero‑risk methods—transfer verification, group‑broadcast screening, Moments AB testing, and group isolation—plus deletion limits, risk controls, and long‑term maintenance strategies.

Contact ManagementWeChatZombie Followers
0 likes · 8 min read
How to Safely Remove WeChat Zombie Followers in 2025 Without Risk
Java Captain
Java Captain
Jun 12, 2025 · Information Security

How to Unlock a Restricted WeChat Account: Step‑by‑Step 2025 Guide

This comprehensive 2025 guide explains how to identify WeChat restriction types, prepare necessary evidence and materials, use both client‑side and web‑based self‑service tools, complete assisted verification, and follow new regulations to successfully restore account access.

VerificationWeChataccount recovery
0 likes · 9 min read
How to Unlock a Restricted WeChat Account: Step‑by‑Step 2025 Guide
Java Captain
Java Captain
Jun 12, 2025 · Backend Development

How to Securely Encrypt Nacos Config Passwords in Spring Cloud Applications

Learn how to replace plain‑text passwords in Spring Cloud’s Nacos configuration with encrypted values by extending NacosConfigProperties, overriding its initialization, and registering a custom bootstrap auto‑configuration, ensuring your application complies with corporate security policies.

JavaNacosPassword Encryption
0 likes · 5 min read
How to Securely Encrypt Nacos Config Passwords in Spring Cloud Applications
Java Captain
Java Captain
Jun 12, 2025 · Backend Development

12 Toxic Coding Habits That Destroy Readability (And How to Avoid Them)

The article humorously chronicles twelve common anti‑patterns—such as over‑splitting microservices, writing massive methods, deep nesting, random naming, misleading comments, copy‑pasting code, ignoring design docs, and avoiding logging—that severely hurt code readability and maintainability, and explains why they should be avoided.

bad coding practicescode readabilityrefactoring
0 likes · 10 min read
12 Toxic Coding Habits That Destroy Readability (And How to Avoid Them)
Java Captain
Java Captain
Jun 11, 2025 · Backend Development

Master Java Stream API: From Basics to Advanced Operations

This comprehensive guide explains the Java Stream API, covering its purpose, creation methods, intermediate and terminal operations, and the Optional class, with clear examples and code snippets to help developers write cleaner, more efficient functional-style code.

Functional ProgrammingLambdaOptional
0 likes · 22 min read
Master Java Stream API: From Basics to Advanced Operations