java​/servlet

# cd /home/test
# cd mkdir -p WEB-INF/lib
# cd WEB-INF
# vi web.xml

 <?xml version="1.0" encoding="EUC-JP"?>
<!DOCTYPE web-app
  PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
  "http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
  <servlet>
    <servlet-name>invoker</servlet-name>
    <servlet-class>org.apache.catalina.servlets.InvokerServlet</servlet-class>
  </servlet>
  <servlet-mapping>
    <servlet-name>invoker</servlet-name>
    <url-pattern>/servlet/*</url-pattern>
  </servlet-mapping>
</web-app>

# cd ..
# mkdir -p src/com/domain/test

# cd src/com/domain/test
# vi ServletTest.java

package com.domain.test;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class ServletTest extends HttpServlet{
  public void doGet(HttpServletRequest req,HttpServletResponse res)
      throws ServletException, IOException{
    try {
      res.setContentType("text/html; charset=EUC-JP");
      PrintWriter pw=res.getWriter();
      pw.println("Hello World!");
    }
    catch (Exception e){
      e.printStackTrace();
      return;
    }
  }
}

# cd /home/test
# ant

# cd /home/test/WEB-INF
# vi web.xml

  <servlet>
    <servlet-name>svtest</servlet-name>
    <servlet-class>com.domain.test.ServletTest</servlet-class>
  </servlet>