Java 为什么最简单的Servlet返回$"完";参观时"/&引用;

Java 为什么最简单的Servlet返回$"完";参观时"/&引用;,java,servlets,jakarta-ee,Java,Servlets,Jakarta Ee,我正在编写一个最简单的servlet,当使用/url在tomcat本地运行时,网页返回$END$,我想知道为什么 servlet本身是最简单的 import javax.servlet.annotation.WebServlet; import java.io.IOException; import java.io.PrintWriter; @WebServlet(name="Hello" ,urlPatterns={"/Hello"},loadOnStartup=1) public clas

我正在编写一个最简单的servlet,当使用/url在tomcat本地运行时,网页返回$END$,我想知道为什么

servlet本身是最简单的

import javax.servlet.annotation.WebServlet;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(name="Hello" ,urlPatterns={"/Hello"},loadOnStartup=1)
public class Hello extends javax.servlet.http.HttpServlet {

    protected void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws javax.servlet.ServletException, IOException {
        PrintWriter out = response.getWriter();
        out.println("<html>");
        out.println("<body>");
        out.println("Hello world"+"<br />");
        out.println("</body>");
        out.println("</html>");
    }
}
import javax.servlet.annotation.WebServlet;
导入java.io.IOException;
导入java.io.PrintWriter;
@WebServlet(name=“Hello”,urlPatterns={”/“Hello”},loadOnStartup=1)
公共类Hello扩展了javax.servlet.http.HttpServlet{
受保护的void doGet(javax.servlet.http.HttpServletRequest请求,javax.servlet.http.HttpServletResponse响应)抛出javax.servlet.ServletException,IOException{
PrintWriter out=response.getWriter();
out.println(“”);
out.println(“”);
out.println(“你好世界”+“
”); out.println(“”); out.println(“”); } }
访问/时,您没有调用此servlet,因为它映射到/Hello。但为什么它返回$END$?