diff --git a/book/pom.xml b/book/pom.xml
index 1ea63f9..b7612fb 100644
--- a/book/pom.xml
+++ b/book/pom.xml
@@ -17,5 +17,10 @@
     <artifactId>book</artifactId>
     <version>1.0</version>
     <packaging>jar</packaging>
+    <properties>
+        <maven.compiler.source>11</maven.compiler.source>
+        <maven.compiler.target>11</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 	
 </project>
\ No newline at end of file
diff --git a/book/target/classes/ru/molokoin/Book.class b/book/target/classes/ru/molokoin/Book.class
index e94b8fb..42f9f1a 100644
Binary files a/book/target/classes/ru/molokoin/Book.class and b/book/target/classes/ru/molokoin/Book.class differ
diff --git a/book/target/classes/ru/molokoin/Publisher.class b/book/target/classes/ru/molokoin/Publisher.class
index 82387e2..d26dab0 100644
Binary files a/book/target/classes/ru/molokoin/Publisher.class and b/book/target/classes/ru/molokoin/Publisher.class differ
diff --git a/country/target/classes/ru/molokoin/Area.class b/country/target/classes/ru/molokoin/Area.class
index 539153d..48da814 100644
Binary files a/country/target/classes/ru/molokoin/Area.class and b/country/target/classes/ru/molokoin/Area.class differ
diff --git a/country/target/classes/ru/molokoin/Country.class b/country/target/classes/ru/molokoin/Country.class
index b360f98..124512a 100644
Binary files a/country/target/classes/ru/molokoin/Country.class and b/country/target/classes/ru/molokoin/Country.class differ
diff --git a/country/target/classes/ru/molokoin/Map.class b/country/target/classes/ru/molokoin/Map.class
index e6dbc04..cb55278 100644
Binary files a/country/target/classes/ru/molokoin/Map.class and b/country/target/classes/ru/molokoin/Map.class differ
diff --git a/pom.xml b/pom.xml
index 9944317..785c886 100644
--- a/pom.xml
+++ b/pom.xml
@@ -10,6 +10,11 @@
     <artifactId>education</artifactId>
     <packaging>pom</packaging>
 	<version>1.0</version>
+    <properties>
+    <maven.compiler.source>11</maven.compiler.source>
+    <maven.compiler.target>11</maven.compiler.target>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
 
 	<!-- sub modules -->
 	<modules>
diff --git a/universaty/pom.xml b/universaty/pom.xml
index 58947ba..7f65840 100644
--- a/universaty/pom.xml
+++ b/universaty/pom.xml
@@ -17,5 +17,10 @@
     <artifactId>universaty</artifactId>
     <version>1.0</version>
     <packaging>jar</packaging>
+    <properties>
+        <maven.compiler.source>18</maven.compiler.source>
+        <maven.compiler.target>18</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
 	
 </project>
\ No newline at end of file
diff --git a/universaty/target/classes/ru/molokoin/Degree$1.class b/universaty/target/classes/ru/molokoin/Degree$1.class
index 80d0693..0af8f37 100644
Binary files a/universaty/target/classes/ru/molokoin/Degree$1.class and b/universaty/target/classes/ru/molokoin/Degree$1.class differ
diff --git a/universaty/target/classes/ru/molokoin/Degree$2.class b/universaty/target/classes/ru/molokoin/Degree$2.class
index 41e741c..a46a0a3 100644
Binary files a/universaty/target/classes/ru/molokoin/Degree$2.class and b/universaty/target/classes/ru/molokoin/Degree$2.class differ
diff --git a/universaty/target/classes/ru/molokoin/Degree.class b/universaty/target/classes/ru/molokoin/Degree.class
index 035b844..f553ff4 100644
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diff --git a/universaty/target/classes/ru/molokoin/Gender$1.class b/universaty/target/classes/ru/molokoin/Gender$1.class
index c1bb83f..3d82ae1 100644
Binary files a/universaty/target/classes/ru/molokoin/Gender$1.class and b/universaty/target/classes/ru/molokoin/Gender$1.class differ
diff --git a/universaty/target/classes/ru/molokoin/Gender$2.class b/universaty/target/classes/ru/molokoin/Gender$2.class
index a43f531..0600a76 100644
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diff --git a/universaty/target/classes/ru/molokoin/Gender$3.class b/universaty/target/classes/ru/molokoin/Gender$3.class
index 178d13b..30122b9 100644
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diff --git a/universaty/target/classes/ru/molokoin/Gender.class b/universaty/target/classes/ru/molokoin/Gender.class
index d484aa7..f39a1f1 100644
Binary files a/universaty/target/classes/ru/molokoin/Gender.class and b/universaty/target/classes/ru/molokoin/Gender.class differ
diff --git a/universaty/target/classes/ru/molokoin/Person.class b/universaty/target/classes/ru/molokoin/Person.class
index 5352bb0..515026d 100644
Binary files a/universaty/target/classes/ru/molokoin/Person.class and b/universaty/target/classes/ru/molokoin/Person.class differ
diff --git a/universaty/target/classes/ru/molokoin/Role$1.class b/universaty/target/classes/ru/molokoin/Role$1.class
index c2b7904..814cf23 100644
Binary files a/universaty/target/classes/ru/molokoin/Role$1.class and b/universaty/target/classes/ru/molokoin/Role$1.class differ
diff --git a/universaty/target/classes/ru/molokoin/Role$2.class b/universaty/target/classes/ru/molokoin/Role$2.class
index be4d2fc..6970563 100644
Binary files a/universaty/target/classes/ru/molokoin/Role$2.class and b/universaty/target/classes/ru/molokoin/Role$2.class differ
diff --git a/universaty/target/classes/ru/molokoin/Role$3.class b/universaty/target/classes/ru/molokoin/Role$3.class
index 0a52357..57b0457 100644
Binary files a/universaty/target/classes/ru/molokoin/Role$3.class and b/universaty/target/classes/ru/molokoin/Role$3.class differ
diff --git a/universaty/target/classes/ru/molokoin/Role.class b/universaty/target/classes/ru/molokoin/Role.class
index d23c90f..1ecf980 100644
Binary files a/universaty/target/classes/ru/molokoin/Role.class and b/universaty/target/classes/ru/molokoin/Role.class differ
diff --git a/universaty/target/classes/ru/molokoin/Stage$1.class b/universaty/target/classes/ru/molokoin/Stage$1.class
index f3e975c..d40593f 100644
Binary files a/universaty/target/classes/ru/molokoin/Stage$1.class and b/universaty/target/classes/ru/molokoin/Stage$1.class differ
diff --git a/universaty/target/classes/ru/molokoin/Stage$2.class b/universaty/target/classes/ru/molokoin/Stage$2.class
index bc6e0d4..a6f6a98 100644
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diff --git a/universaty/target/classes/ru/molokoin/Stage.class b/universaty/target/classes/ru/molokoin/Stage.class
index 386f390..86d04b6 100644
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