Java

Introduction to C Language Basics: Fundamentals Remain Unchanged Despite Changing Times

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Introduction to C Language Basics: Fundamentals Remain Unchanged Despite Changing Times

The Personal Computer EraBefore the rise of the Internet, it was the era of personal computers. Aside from embedded hardware, software dominated the IT landscape, such as operating systems and office software. The popular programming languages at that time were:C/C++, C#, and similar languages.The Internet EraWith the innovation and development of information technology, the Internet … Read more

Open Source IoT Gateway iBoot: Empower Your Java Code to Dominate Factory Devices!

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Open Source IoT Gateway iBoot: Empower Your Java Code to Dominate Factory Devices!

Introduction In this era where everything can be connected to the internet, are you still troubled by the “language barrier” of industrial devices? How can old Modbus devices and the latest MQTT devices communicate seamlessly? Today, we will dissect a hardcore IoT gateway written in Java—iBoot. Here’s the open-source address: https://gitee.com/iteaj/iboot 🔥 Three Major Advantages … Read more

Creating a Frameworkless HTTP Server in Java Packaged as a JAR for Docker Placeholder

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Creating a Frameworkless HTTP Server in Java Packaged as a JAR for Docker Placeholder

Java Code import com.sun.net.httpserver.HttpServer; import com.sun.net.httpserver.HttpHandler; import com.sun.net.httpserver.HttpExchange; import java.io.IOException; import java.io.OutputStream; import java.io.InputStreamReader; import java.io.BufferedReader; import java.net.InetSocketAddress; import java.util.HashMap; import java.util.Map; import java.util.stream.Collectors; public class SimpleHttpServer { public static void main(String[] args) throws IOException { HttpServer server = HttpServer.create(new InetSocketAddress(8080), 0); server.createContext("/", new EchoHandler()); server.setExecutor(null); server.start(); System.out.println("Server started on port 8080"); } static class … Read more

Differences Between WebSocket and HTTP Communication, Usage Scenarios, and WebSocket Code Examples

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Differences Between WebSocket and HTTP Communication, Usage Scenarios, and WebSocket Code Examples

🕵️ Reading | Changsha ⭐ Software Engineering ⭐ Bachelor’s Degree 🏠 Work | Guangzhou ⭐ Java Full Stack Developer 🌳 Multiple technical forum expert bloggers, over 110,000 fans online ✈️ Official Account | Country Boy Programming. Reply with Java full video tutorial or front-end full video tutorial to get 300G+ tutorial materials and project practical … Read more

Is Java Http Interface Integration Too Complicated? Try the UniHttp Framework!

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Is Java Http Interface Integration Too Complicated? Try the UniHttp Framework!

Introduction From an enterprise-level project perspective, if you are still using traditional programming-based HTTP clients like HttpClient or OkHttp to directly interface with third-party HTTP APIs, your project is likely filled with a lot of integration logic and code. Each time you need to wrap a call for different integration channels, it can lead to … Read more

smart-mqtt v1.1.1 Arrives on Schedule: Starting from Lightweight, Advancing Towards Security

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smart-mqtt v1.1.1 Arrives on Schedule: Starting from Lightweight, Advancing Towards Security

1. Version Overview This version builds on the plugin design of v1.1.0, introducing a significant License tiered authorization mechanism and TLS/SSL secure communication support, fully meeting the diverse and multi-level usage needs of enterprises. We always adhere to the design philosophy of “lightweight, high performance, and customizable,” maintaining a small package size (still under 4MB) … Read more

Comparison of C Language with Other Languages: Differences with Java, Python, and More

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Comparison of C Language with Other Languages: Differences with Java, Python, and More

Comparison of C Language with Other Languages: Differences with Java, Python, and More In the world of programming languages, C is one of the most widely used and learned foundational languages. It has not only had a profound impact on the development of other programming languages but continues to play a significant role in system … Read more

The ‘Eight-Legged Essay’ You Memorized May Be Outdated

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The 'Eight-Legged Essay' You Memorized May Be Outdated

AliMei’s Guide With the continuous updates and iterations of technology, some viewpoints and methods that were once considered “standard answers” are no longer suitable for current needs and are even regarded as outdated practices. In the new JDK versions, many new features, tools, and methods have been introduced, making Java programming more concise, efficient, and … Read more

SpringBoot + SPI Mechanism: Easily Implement Pluggable Components

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SpringBoot + SPI Mechanism: Easily Implement Pluggable Components

Java SPI (Service Provider Interface) is a service provider interface that provides a service discovery and loading mechanism in Java, allowing developers to define multiple implementations for an interface and dynamically discover and load these implementations at runtime. The core of the Java SPI mechanism is that it provides a way for service providers to … Read more

Java Encryption and Security Defense: 20 Best Practices from National Secret Algorithms to Defending Against SQL Injection

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Java Encryption and Security Defense: 20 Best Practices from National Secret Algorithms to Defending Against SQL Injection

At three in the morning, I was staring at the abnormal login records suddenly appearing on the production environment monitoring screen— a test account attempted to log in with a password 300 times within 5 minutes. This reminded me of a data breach incident I personally experienced three years ago: an e-commerce system used MD5 … Read more