#Java beginner
335 related articles
·4 min
Getting Started with LangChain: LLM Limitations, Agent Principles, and Environment Setup in Practice
An in-depth look at LangChain's core value: the three limitations of LLMs, unified model interfaces, modular architecture, configuring the DeepSeek API, and understanding the SystemMessage/HumanMessage/AIMessage/ToolMessage system to build a foundation for Agent development.
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·7 min
Building a Published App with Zero Code in Four Days: A Complete HarmonyOS Development Journey
A tech blogger with zero programming knowledge built a retro DV app in four days using AI tools like Cursor and Codex, and got it published on Huawei App Gallery. A full vibe coding walkthrough.
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·3 min
Getting Started with Cursor: A Complete Guide to the Core Features of AI-Native Programming Tools
Cursor is an AI-native programming tool deeply rebuilt on VS Code, integrating top LLMs like Claude and DeepSeek. It supports natural-language code generation, smart error fixing, and context awareness.
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·6 min
Spec-Driven Development in Practice: The New AI Coding Paradigm from Andrew Ng × JetBrains
Andrew Ng partners with JetBrains to launch a Spec-Driven Development course, teaching how to direct AI coding agents via spec files to boost intent fidelity and build maintainable production apps.
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·3 min
Deep Dive into gRPC: Building High-Performance Microservice Communication with HTTP/2 + Protobuf
An in-depth analysis of gRPC's core architecture: HTTP/2 multiplexing, Protocol Buffers serialization, and unified multi-language implementation, covering microservice communication and cloud-native integration.
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·4 min
Making Money with AI Coding Gigs: Platform Selection, Pitfall Avoidance, and a Rational Guide to Getting Started
AI coding tools have dramatically lowered the barrier to freelance gigs, but what risks lurk behind claims of "earning over 10,000 a month"? This article breaks down platform tiering on Zhubajie, Upwork, and more, plus three key pitfalls for beginners.
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·5 min
The Rise of AI Slop Code: How Teams Can Tackle the "Vibe Coding" Crisis
When an intern uses AI to generate professional-looking slop code, stand-ups balloon from 15 to 45 minutes. This article dissects why AI slop is hard to spot and offers practical team solutions.
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·3 min
GitHub Daily · July 12: The Explosion of the Agent Skills Ecosystem and the Rust Rewrite Wave
July 12 GitHub trending: Agent Skills/MCP ecosystem explodes with superpowers hitting ~900 stars, pgrust rewrites Postgres in Rust passing 100% tests, plus solid engineering foundations.
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·7 min
Codex Direct Connection Configuration Guide for China: Complete GPT Agent Setup Tutorial
Complete guide for configuring OpenAI Codex Agent in China, covering installation, API key setup, permission modes, reasoning intensity, and security considerations for third-party relay services.
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·2 min
SpringBoot in 1 Hour for Absolute Beginners: The Big-Picture Learning Method
Getting overwhelmed by SpringBoot's complexity? This guide shares a beginner-friendly learning method: evolve from simple Java projects to enterprise SpringBoot apps, understand the tech's history, and ship your first project fast.
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·3 min
GPT-5 Is Here — Is Learning Java Still Worth It? How Programmers Can Pivot in the AI Era
Is learning Java still worth it after GPT-5? Explore why programming fundamentals still matter and how to pivot toward AI application development in the AI era.
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·6 min
Getting Started with Coze Agents: Core Concepts, Platform Positioning, and a Practical Implementation Guide
A systematic guide to Coze's core positioning, its differences from Dify/n8n, and its full capability system covering agents, workflows, and multi-agent modes—helping beginners get started fast.
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·4 min
AI-Powered Automatic Environment Patching: JS Reverse Engineering with Sandbox + Prompt
Learn how to automate JavaScript reverse engineering environment patching with AI + sandbox. Three-step flow diagnoses missing BOM/DOM objects, generates patches, and self-validates. Get encrypted data in seconds.
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·7 min
21-Day Python Automation Testing Crash Course: A Complete Breakdown of the Three-Stage Learning Path
Learn automation testing from scratch! This article breaks down a three-stage path: Selenium/Appium tools, Requests+PyTest API testing, performance testing and CI/CD, with real projects—build a complete skill set in 21 days.
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·7 min
Getting Started with LangChain 1.3: Core Concepts of LLMs and Agents
An in-depth breakdown of LangChain 1.3's core concepts, covering the three major limitations of LLMs, Agent architecture, memory management, and a complete learning path. Master LangChain and LangGraph to quickly build AI development skills.
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·7 min
Getting Started with Dify: A Complete Guide from Local Deployment to Building Enterprise-Grade AI Applications
A detailed guide to Dify, the open-source LLM app development platform, covering its core features and full local deployment via VMware + Ubuntu + aaPanel + Docker. Supports 100+ models like DeepSeek and ChatGPT to build enterprise AI apps fast.
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·6 min
Getting Started with Dify: A Complete Guide to Deployment, Configuration, and Workflow Practice
A systematic guide to Dify's three deployment methods (Docker/source/online), five application types, and hands-on workflow nodes—covering LLM integration, MySQL config, and app publishing.
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·3 min
Getting Started with Codex: A Deep Dive Comparison of AI Coding Agents vs. Claude Code
A deep dive into AI coding agents like Codex and Claude Code — real-world comparisons, MCP protocol explained, and how these tools are transforming programming for developers and beginners alike.
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·6 min
Decoding the Obfuscated Bash Script on a Uniqlo T-Shirt: Tech Easter Eggs and Security Lessons
A tech enthusiast decoded an obfuscated Bash script on a Uniqlo T-shirt. This article breaks down the reverse-analysis approach, obfuscation tricks, and safe-execution principles.
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·7 min
Free Mermaid Diagram Editor: An Essential Code-Based Diagramming Tool for Developers
Explore the core features and use cases of the free Mermaid Diagram Editor. Supporting flowcharts, sequence diagrams, Gantt charts and more, it follows the 'diagrams as code' philosophy to enable version-controlled technical documentation for developers and architects.
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