v1.8.2: support Java 21

Note

Start from DCM 1.7+ upgrade to Java 8 🚀
If you need Java 6 support, use version 1.6.x

☘️ Features

• support Java 21 ✨
  • PR #265 by @alexey-anufriev
  • issue #252 by @arcuri82

📚 Documentation

• improve README.md (PR #186 by @Allan-QLB)
• update badges and version note 📚

🛠 Refactor/Improvements

• small refactor/cleanup

🚜 Build/Chore

• update CI, add JDK 21/22 into CI 🤖
• upgrade maven wrapper to 3.9.6 🪶
• add pom version check ✅
• improve pom and build scripts
• upgrade dependencies/plugins 🛠️

Java Dns Cache Manipulator Library

• User Guide & Document
• java apidocs

maven dependency:

<dependency>
    <groupId>com.alibaba</groupId>
    <artifactId>dns-cache-manipulator</artifactId>
    <version>1.8.2</version>
</dependency>

Already deployed to maven central repository.

Java Dns Cache Manipulator Tool

• User Guide & Document
• Download dcm-1.8.2.tar.gz