Migrate to java 11

README.md

@@ -36,7 +36,7 @@ The purpose of this is to provide good examples for the refactoring workshop.
 
 ## Build
 
-All you need to build this project is Java 6.0 (Java SDK 1.6) or later, Maven 3.0 or later.
+All you need to build this project is Java 11 or later, Maven 3.0 or later.
 
 ## Testing
 

pom.xml

@@ -15,8 +15,8 @@
                 <artifactId>maven-compiler-plugin</artifactId>
                 <version>3.8.1</version>
                 <configuration>
-                    <source>1.8</source>
-                    <target>1.8</target>
+                    <source>11</source>
+                    <target>11</target>
                 </configuration>
             </plugin>
         </plugins>
@@ -31,4 +31,4 @@
         </dependency>
     </dependencies>
 
-</project>
+</project>