掌握这4个配置点轻轻松松实现VSCode多JDK版本自由切换

{
  // 指定 Java 语言服务器启动时使用的运行时
  "java.home": "/path/to/your/jdk-17", 

  // 设置项目编译目标兼容级别
  "java.configuration.runtimes": [
    {
      "name": "JavaSE-17",
      "path": "/path/to/your/jdk-17"
    }
  ],

  // 强制编辑器使用特定 JRE 版本进行代码补全和校验
  "java.compile.nullAnalysis.mode": "automatic"
}

export JAVA_HOME=/usr/lib/jvm/jdk-17
export PATH=$JAVA_HOME/bin:$PATH

{
  "java.home": "/Library/Java/JavaVirtualMachines/openjdk-17.jdk/Contents/Home",
  "java.configuration.runtimes": [
    {
      "name": "JavaSE-17",
      "path": "/opt/jdk-17"
    }
  ]
}

{
  "java.home": "/usr/lib/jvm/openjdk-17",
  "java.project.importOnOpen": true
}

git config --list --show-origin
# 输出示例：
# file:/home/user/.gitconfig    user.name=John Doe
# file:.git/config              user.name=Jane Smith  ← workspace 覆盖 user

# Linux/Mac 环境
java.home=/usr/lib/jvm/java-17-openjdk

# Windows 环境
java.home=C:\\Program Files\\Java\\jdk-17

java.home=/Users/username/.jdks/openjdk-17

{
  "java.configuration.runtimes": [
    {
      "name": "JavaSE-11",
      "path": "/Library/Java/JavaVirtualMachines/zulu-11.jdk",
      "default": true
    },
    {
      "name": "JavaSE-17",
      "path": "/Library/Java/JavaVirtualMachines/zulu-17.jdk"
    }
  ]
}

{
  "type": "java",
  "name": "Launch HelloWorld",
  "request": "launch",
  "mainClass": "com.example.HelloWorld",
  "vmArgs": "-Djava.home=C:\\Program Files\\Java\\jdk-17"
}

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.8</maven.compiler.source>
    <maven.compiler.target>1.8</maven.compiler.target>
</properties>

<properties>
    <java.version>17</java.version>
    <maven.compiler.release>17</maven.compiler.release>
</properties>

<properties>
    <maven.compiler.source>11</maven.compiler.source>
    <maven.compiler.target>11</maven.compiler.target>
</properties>
<dependencyManagement>
    <dependencies>
        <!-- 统一Spring Boot版本 -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-dependencies</artifactId>
            <version>2.7.0</version>
            <type>pom</type>
            <scope>import</scope>
        </dependency>
    </dependencies>
</dependencyManagement>

{
  "java.home": "/path/to/your/jdk-17",
  "java.configuration.runtimes": [
    {
      "name": "JavaSE-17",
      "path": "/path/to/your/jdk-17"
    }
  ]
}

<properties>
  <maven.compiler.source>17</maven.compiler.source>
  <maven.compiler.target>17</maven.compiler.target>
</properties>

java {
    toolchain {
        languageVersion = JavaLanguageVersion.of(17)
    }
}

func GetDataFromService() (string, error) {
    return hystrix.Do("remote-service", func() error {
        resp, err := http.Get("http://api.example.com/data")
        if err != nil {
            return err
        }
        defer resp.Body.Close()
        // 处理响应
        return nil
    }, func(err error) error {
        // 回退逻辑
        log.Printf("Fallback triggered: %v", err)
        return nil
    })
}