Some simple changes in project structure

.idea/.gitignore

+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/checkstyle-idea.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CheckStyle-IDEA" serialisationVersion="2">
+    <checkstyleVersion>10.5.0</checkstyleVersion>
+    <scanScope>JavaOnly</scanScope>
+    <copyLibs>true</copyLibs>
+    <option name="thirdPartyClasspath" />
+    <option name="activeLocationIds" />
+    <option name="locations">
+      <list>
+        <ConfigurationLocation id="bundled-sun-checks" type="BUNDLED" scope="All" description="Sun Checks">(bundled)</ConfigurationLocation>
+        <ConfigurationLocation id="bundled-google-checks" type="BUNDLED" scope="All" description="Google Checks">(bundled)</ConfigurationLocation>
+      </list>
+    </option>
+  </component>
+</project>
\ No newline at end of file

.idea/compiler.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <annotationProcessing>
+      <profile name="Maven default annotation processors profile" enabled="true">
+        <sourceOutputDir name="target/generated-sources/annotations" />
+        <sourceTestOutputDir name="target/generated-test-sources/test-annotations" />
+        <outputRelativeToContentRoot value="true" />
+        <module name="bookQuote" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file

.idea/encodings.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/src/main/java" charset="UTF-8" />
+    <file url="file://$PROJECT_DIR$/src/main/resources" charset="UTF-8" />
+  </component>
+</project>
\ No newline at end of file

.idea/jarRepositories.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RemoteRepositoriesConfiguration">
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Central Repository" />
+      <option name="url" value="https://repo.maven.apache.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="central" />
+      <option name="name" value="Maven Central repository" />
+      <option name="url" value="https://repo1.maven.org/maven2" />
+    </remote-repository>
+    <remote-repository>
+      <option name="id" value="jboss.community" />
+      <option name="name" value="JBoss Community repository" />
+      <option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
+    </remote-repository>
+  </component>
+</project>
\ No newline at end of file

.idea/misc.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="FrameworkDetectionExcludesConfiguration">
+    <file type="web" url="file://$PROJECT_DIR$" />
+  </component>
+  <component name="MavenProjectsManager">
+    <option name="originalFiles">
+      <list>
+        <option value="$PROJECT_DIR$/pom.xml" />
+      </list>
+    </option>
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="corretto-17" project-jdk-type="JavaSDK" />
+</project>
\ No newline at end of file

.idea/vcs.xml

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

target/bookQuote/META-INF/MANIFEST.MF

+Manifest-Version: 1.0
+Created-By: IntelliJ IDEA
+Built-By: TheRo
+Build-Jdk: 17.0.7
+

target/bookQuote/WEB-INF/web.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
+  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+  xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee
+                      https://jakarta.ee/xml/ns/jakartaee/web-app_6_0.xsd"
+  version="6.0">
+  
+  <display-name>di.bookQuote</display-name>
+  
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+    <welcome-file>index.htm</welcome-file>
+    <welcome-file>index.jsp</welcome-file>
+    <welcome-file>default.html</welcome-file>
+    <welcome-file>default.htm</welcome-file>
+    <welcome-file>default.jsp</welcome-file>
+  </welcome-file-list>
+  <servlet>
+    <description>BookQuote Servlet</description>
+    <display-name>BookQuote</display-name>
+    <servlet-name>BookQuote</servlet-name>
+    <servlet-class>nl.utwente.di.bookQuote.BookQuote</servlet-class>
+  </servlet>
+  <servlet-mapping>
+    <servlet-name>BookQuote</servlet-name>
+    <url-pattern>/bookQuote</url-pattern>
+  </servlet-mapping>
+</web-app>
\ No newline at end of file

target/bookQuote/index.html

+<!DOCTYPE HTML>
+<!-- Front end for the webBookQuote Servlet. -->
+
+<html lang="en">
+<head>
+<title>Web Book Quote Application</title>
+<link rel="stylesheet" href="styles.css">
+<meta charset="UTF-8">
+</head>
+
+<body>
+<h1>Web Book Quote Application</h1>
+
+<form ACTION="./bookQuote">
+  <p>Enter ISBN number:  <input TYPE="TEXT" NAME="isbn"></p>
+  <input TYPE="SUBMIT">
+</form>
+
+</body>
+</html>

target/bookQuote/styles.css

+BODY { background-color: WHITE }
+
+H1 { color: PURPLE;
+     text-align: left;
+     font-size: 28px;
+     font-family: Arial, Helvetica, sans-serif;
+     font-weight: normal
+}
+.LARGER { font-size: 120% }
+.TINY { font-size: 50% }
+H2 { color: #440000;
+     text-align: left;
+     font-family: Arial, Helvetica, sans-serif
+}
+H3 { color: #440000;
+     text-align: left;
+     font-family: Arial, Helvetica, sans-serif
+}
+UL { margin-top: 0;
+     border-top-width: 0;
+     padding-top: 0
+}
+
+P { color: BLACK;
+	text-align: left;
+	font-size: 20px;
+	font-family: Arial, Helvetica, sans-serif
+}
+
+FORM { 	color: BLACK;
+		text-align: left;
+		font-size: 20px;
+		font-family: Arial, Helvetica, sans-serif
+}
+
+PRE { font-size: 105%;
+}
+CODE { font-size: 105%; 
+}
+.TOC { font-size: 90%;
+       font-weight: bold;
+       font-family: Arial, Helvetica, sans-serif
+}
+TH.COLORED { background-color: #FFAD00
+}
+TR.COLORED { background-color: #FFAD00
+}
+TH.TITLE   { background-color: #EF8429;
+             font-size: 40px;
+             font-family: Arial, Helvetica, sans-serif;
+}
+A:hover { color: red }