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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

Apr 28, 2026 · Artificial Intelligence

Can You Safely Deploy AI‑Generated Code?

The author shares personal experiments with Claude Code and GitHub Copilot, highlighting how AI can dramatically speed up development but also introduces hidden risks such as faulty caching logic, code leakage, copyright issues, and prompt‑injection vulnerabilities, and proposes practical guidelines for safely using AI‑generated code in production.

AI code generationClaude CodeGitHub Copilot

0 likes · 11 min read

Can You Safely Deploy AI‑Generated Code?

Selected Java Interview Questions

Apr 27, 2026 · Industry Insights

Microsoft's New Voluntary Retirement Plan: A Dignified Layoff in the All‑in‑AI Era

Microsoft's first-ever voluntary retirement program targets U.S. senior directors and below who meet the "Rule of 70" (age plus tenure ≥ 70), offering cash, extended health and accelerated stock vesting as a strategic move to reshape its workforce for an AI‑centric future while saving only a fraction of its massive AI‑related capex.

AI restructuringHR strategyMicrosoft

0 likes · 10 min read

Microsoft's New Voluntary Retirement Plan: A Dignified Layoff in the All‑in‑AI Era

Selected Java Interview Questions

Apr 26, 2026 · Fundamentals

Java Generics: T, E, K, V, and ?—Do You Still Mix Them Up?

This article explains why Java generics are essential, clarifies the conventional meanings of type parameters T, E, K, V, describes how to use unbounded, upper‑bounded and lower‑bounded wildcards, introduces the PECS rule, details type erasure, and lists common pitfalls with practical code examples.

GenericsJavaPECS

0 likes · 14 min read

Java Generics: T, E, K, V, and ?—Do You Still Mix Them Up?

Selected Java Interview Questions

Apr 24, 2026 · Industry Insights

Is VS Code’s IDE Obsolete? Inside Cursor 3’s Agent‑Centric Redesign

Cursor 3 replaces the classic IDE with an AI‑agent management console, reshaping developer workflows, pricing, and market dynamics while prompting a broader industry debate on whether control‑plane interfaces will eclipse traditional code editors.

AI codingAgent ManagementCursor 3

0 likes · 13 min read

Is VS Code’s IDE Obsolete? Inside Cursor 3’s Agent‑Centric Redesign

Selected Java Interview Questions

Apr 23, 2026 · Backend Development

Integrate Hutool OshiUtil with Spring Boot 3 for One‑Line System Monitoring

This article shows how to use Hutool's OshiUtil wrapper of OSHI in a Spring Boot 3 application to retrieve CPU, memory, OS, JVM, disk and network information with just a few lines of code, covering dependency setup, code examples, usage scenarios and common pitfalls.

HutoolJavaOshiUtil

0 likes · 11 min read

Integrate Hutool OshiUtil with Spring Boot 3 for One‑Line System Monitoring

Selected Java Interview Questions

Apr 22, 2026 · Backend Development

Parse 1000+ Document Formats in Spring Boot with Apache Tika in Just 20 Lines

This article shows how to integrate Apache Tika into a Spring Boot application, enabling automatic detection and extraction of text and metadata from over a thousand file formats with only a few configuration steps and concise Java code.

Apache TikaDocument ParsingFile Upload

0 likes · 10 min read

Parse 1000+ Document Formats in Spring Boot with Apache Tika in Just 20 Lines

Selected Java Interview Questions

Apr 20, 2026 · Backend Development

How Groovy Scripts Enable Dynamic Business Rules in Spring Boot

This article explains why frequent business‑rule changes hurt backend release cycles, compares rule engines with Groovy dynamic scripts, walks through three integration methods, shows a Spring Boot implementation with caching and bean access, and details production pitfalls and best‑practice mitigations.

Dynamic ScriptingGroovyJava

0 likes · 16 min read

How Groovy Scripts Enable Dynamic Business Rules in Spring Boot

Selected Java Interview Questions

Apr 18, 2026 · Backend Development

Efficient Hierarchical Menu Storage in MySQL: Adjacency List vs Closure Table

The article examines common pitfalls of using a simple parent_id column for menu hierarchies, compares three storage models—adjacency list, path enumeration, and closure table—shows their trade‑offs, and provides a SpringBoot/MyBatis‑Plus implementation that combines adjacency and closure tables for optimal read‑write performance.

Adjacency ListClosure TableMyBatis-Plus

0 likes · 14 min read

Efficient Hierarchical Menu Storage in MySQL: Adjacency List vs Closure Table

Selected Java Interview Questions

Apr 17, 2026 · R&D Management

How Superpowers Transforms AI Coding with Subagent‑Driven Development

Superpowers is an open‑source Claude Code plugin that embeds a full software‑engineering pipeline—requirement clarification, design, development, testing, and two‑stage review—into AI‑assisted coding, using isolated sub‑agents and Git‑managed outputs to improve code quality and maintainability.

Git worktreeSuperpowersTDD

0 likes · 12 min read

How Superpowers Transforms AI Coding with Subagent‑Driven Development

Selected Java Interview Questions

Apr 16, 2026 · Artificial Intelligence

How to Connect OpenClaw AI Agents to WeChat with the New ClawBot Plugin

WeChat's newly released ClawBot plugin lets users link their OpenClaw AI agents directly to the chat app, enabling natural‑language commands, file handling, and 24‑hour online operation, with a simple two‑step setup involving a plugin activation and an npx installation command.

AI AgentClawbotIntegration

0 likes · 6 min read

How to Connect OpenClaw AI Agents to WeChat with the New ClawBot Plugin