【第十二课】Rust并发编程（三）

Servlet加载错误：HelloServlet不是Servlet

<!--    <dependency>-->
<!--      <groupId>javax.servlet</groupId>-->
<!--      <artifactId>javax.servlet-api</artifactId>-->
<!--      <version>3.1.0</version>-->
<!--      <scope>provided</scope>-->
<!--    </dependency>-->
	<dependency>
      <groupId>org.glassfish.web</groupId>
      <artifactId>jakarta.servlet.jsp.jstl</artifactId>
      <version>2.0.0</version>
    </dependency>
    <dependency>
      <groupId>org.apache.taglibs</groupId>
      <artifactId>taglibs-standard-spec</artifactId>
      <version>1.2.5</version>
    </dependency>
    <dependency>
      <groupId>org.apache.taglibs</groupId>
      <artifactId>taglibs-standard-impl</artifactId>
      <version>1.2.5</version>
    </dependency>

import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;