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Selected Java Interview Questions

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Latest from Selected Java Interview Questions

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Selected Java Interview Questions

Jan 15, 2026 · Backend Development

How to Build a Lightweight, Annotation‑Driven Rate Limiter with Spring AOP and Guava

This article explains how to create a non‑intrusive, configurable rate‑limiting component for Spring services by combining Spring AOP, a custom @RateLimit annotation, and Google Guava's RateLimiter, covering token‑bucket fundamentals, API usage, implementation details, common AOP pitfalls, and migration to distributed limiting.

Guava RateLimiterJavaRate Limiting

0 likes · 12 min read

How to Build a Lightweight, Annotation‑Driven Rate Limiter with Spring AOP and Guava

Selected Java Interview Questions

Jan 13, 2026 · Backend Development

Why Your Maven SNAPSHOT Isn’t Updating and How to Fix It

This guide systematically covers common Maven dependency resolution failures—including stale SNAPSHOTs, missing artifacts, version mismatches, and local‑only builds—by explaining underlying mechanisms, providing a step‑by‑step troubleshooting checklist, and offering concrete commands and configuration examples to resolve each scenario.

MavenNEXUSTroubleshooting

0 likes · 13 min read

Why Your Maven SNAPSHOT Isn’t Updating and How to Fix It

Selected Java Interview Questions

Jan 7, 2026 · Backend Development

How to Package Java Projects into a Clean JAR with a Separate lib Directory Using Maven

Learn how to avoid creating a fat JAR by packaging your own Java classes into a standalone jar while placing third‑party dependencies in a dedicated lib folder, using Maven plugins and configuration steps demonstrated with a sample project, pom.xml, and runtime command.

Build AutomationJar packagingJava

0 likes · 6 min read

How to Package Java Projects into a Clean JAR with a Separate lib Directory Using Maven

Selected Java Interview Questions

Jan 6, 2026 · Backend Development

Generate Precise Java Javadoc with AI in One Shortcut

This article explains how an IntelliJ plugin uses large‑language‑model AI to read your Java method body and automatically produce accurate Javadoc comments, eliminating the need for manual documentation and overcoming the limitations of simple name‑translation tools.

AIIntelliJJava

0 likes · 6 min read

Generate Precise Java Javadoc with AI in One Shortcut

Selected Java Interview Questions

Jan 4, 2026 · Backend Development

Master Java Logging with SLF4J, Logback, and Lombok @Slf4j

This tutorial explains why System.out.println() is unsuitable for production logging, shows how to add SLF4J and Logback dependencies, configure logback.xml, use Lombok's @Slf4j annotation to generate a logger, and provides practical code examples for unified API logging and exception tracking.

Backend DevelopmentJavaLombok

0 likes · 9 min read

Master Java Logging with SLF4J, Logback, and Lombok @Slf4j

Selected Java Interview Questions

Dec 27, 2025 · Fundamentals

Master Git in IntelliJ IDEA: Step‑by‑Step Workflow for Team Collaboration

Learn how to clone remote repositories, create feature branches, commit and push changes, resolve merge conflicts, and keep your master branch synchronized within IntelliJ IDEA, using practical Git commands and visual tools to streamline team collaboration and avoid common push‑rejected errors.

GitIntelliJ IDEAMerge Conflict

0 likes · 5 min read

Master Git in IntelliJ IDEA: Step‑by‑Step Workflow for Team Collaboration

Selected Java Interview Questions

Dec 25, 2025 · Databases

How to Safely Add a Column to a Billion‑Row Order Table Without Locking MySQL

When a core order table with tens of millions of rows needs a new field, a naive ALTER TABLE can lock the table and disrupt services, so this article explores master‑slave switching, online DDL tools, schema‑less extensions, and other low‑cost strategies to add the column safely.

DDLLarge TablesOnline Schema Change

0 likes · 7 min read

How to Safely Add a Column to a Billion‑Row Order Table Without Locking MySQL

Selected Java Interview Questions

Dec 17, 2025 · Fundamentals

Mastering Software Architecture Diagrams: From 4+1 Views to C4 Models

This guide explains how to create clear software architecture diagrams by defining architecture concepts, comparing the 4+1 and C4 view models, and offering practical advice on choosing diagram types, tailoring them to audiences, and using visual elements to convey system structure effectively.

4+1 viewC4 ModelSoftware Architecture

0 likes · 9 min read

Mastering Software Architecture Diagrams: From 4+1 Views to C4 Models

Selected Java Interview Questions

Dec 16, 2025 · Backend Development

Why java.util.Date Is a Legacy API and How Java 8 Time Solves Its Problems

This article explains why the long‑standing java.util.Date class is problematic for modern Java development, illustrates its design flaws with concrete code examples, and shows how the Java 8 java.time API provides a clearer, immutable, and timezone‑aware alternative for handling dates and times.

backenddatedatetime

0 likes · 9 min read

Why java.util.Date Is a Legacy API and How Java 8 Time Solves Its Problems

Selected Java Interview Questions

Dec 11, 2025 · Backend Development

Master Maven Multi‑Module Design: Inheritance, Aggregation, and Private Repositories

This guide explains how to split a large Java project into Maven modules, use parent‑project inheritance and aggregation to share configurations, manage dependency versions with dependencyManagement, and configure a private repository for releasing SNAPSHOT and RELEASE artifacts, complete with practical code snippets and step‑by‑step instructions.

InheritanceJavaMaven

0 likes · 11 min read

Master Maven Multi‑Module Design: Inheritance, Aggregation, and Private Repositories