Se cambia dependencia javax por jakarta

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file

pom.xml

@@ -19,9 +19,9 @@
 
     <dependencies>
         <dependency>
-            <groupId>javax.servlet</groupId>
-            <artifactId>javax.servlet-api</artifactId>
-            <version>4.0.1</version>
+            <groupId>jakarta.servlet</groupId>
+            <artifactId>jakarta.servlet-api</artifactId>
+            <version>5.0.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>

src/main/java/com/roshka/proyectofinal/HelloServlet.java

 package com.roshka.proyectofinal;
 
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
 import java.io.*;
-import javax.servlet.http.*;
-import javax.servlet.annotation.*;
+
 
 @WebServlet(name = "helloServlet", value = "/hello-servlet")
 public class HelloServlet extends HttpServlet {
-    private String message;
-
-    public void init() {
-        message = "Hello World!";
-    }
+    private String message="HOLA";
 
     public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
         response.setContentType("text/html");