Java

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

by
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

by
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!

by
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

by
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

by
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

by
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

by
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

by
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

Understanding the SPI Mechanism in Dubbo Extensions

by
Understanding the SPI Mechanism in Dubbo Extensions

1. What is SPI 1.1 Introduction to SPI SPI, which stands for Service Provider Interface, is a service discovery mechanism. It automatically loads the classes defined in files located in the META-INF/services directory on the ClassPath. This mechanism enables extensibility for many frameworks, such as Dubbo and JDBC. Let’s start with a simple example to … Read more

DevOps: Deploying Java on Linux

by
DevOps: Deploying Java on Linux

Environment Requirements Four Ways to Deploy Java Services on Linux (Including Environment Dependencies and Start/Stop Instructions) This article provides four methods for deploying Java services, compatible with JDK 21, detailing the environment dependencies, start, stop, and restart operations for each method. The provided JAR file is automatically placed in the /root/resume/ directory, with the filename: … Read more