Add maven properties

pom.xml

@@ -10,6 +10,11 @@
     <version>1.0-SNAPSHOT</version>
 
     <properties>
+        <maven.compiler.version>3.8.1</maven.compiler.version>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <maven.surefire.version>2.22.1</maven.surefire.version>
+        <java.version>11</java.version>
         <junit.version>5.6.2</junit.version>
     </properties>