switched to Java 25

Author: dschadow

README.md

@@ -3,7 +3,7 @@ Java Security
 This repository contains several Java web applications and command line applications covering different security topics. Have a look at my [slides](https://blog.dominikschadow.de/events) and [publications](https://blog.dominikschadow.de/publications) covering most applications in this repository.
 
 # Requirements
-- [Java 21](https://dev.java)
+- [Java 25](https://dev.java)
 - [Maven 3](http://maven.apache.org)
 - [Mozilla Firefox](https://www.mozilla.org) (recommended, some demos might not be fully working in other browsers)
 - [Docker](https://www.docker.com) (required for running the sample applications as Docker containers) 

pom.xml

@@ -49,7 +49,7 @@
         <failOnMissingWebXml>false</failOnMissingWebXml>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <java.version>21</java.version>
+        <java.version>25</java.version>
     </properties>
 
     <dependencyManagement>