diff --git a/pom.xml b/pom.xml
index dac5ae492ee9623e0e9b013eea44619e781debe9..ee170a6c58f521b3eab28180184623e4a70f5745 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,15 +67,38 @@
         <dependency>
             <groupId>jakarta.xml.bind</groupId>
             <artifactId>jakarta.xml.bind-api</artifactId>
-            <version>3.0.1</version>
+            <version>4.0.0</version>
         </dependency>
         
         <!-- https://mvnrepository.com/artifact/org.eclipse.persistence/org.eclipse.persistence.moxy -->
 		<dependency>
 		    <groupId>org.eclipse.persistence</groupId>
 		    <artifactId>org.eclipse.persistence.moxy</artifactId>
-		    <version>3.0.2</version>
+		    <version>4.0.0</version>
 		</dependency>
+		
+		
+		<!-- https://mvnrepository.com/artifact/com.sun.xml.bind/jaxb-xjc -->
+		<dependency>
+		    <groupId>com.sun.xml.bind</groupId>
+		    <artifactId>jaxb-xjc</artifactId>
+		    <version>4.0.1</version>
+		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/jakarta.json/jakarta.json-api -->
+		<dependency>
+		    <groupId>jakarta.json</groupId>
+		    <artifactId>jakarta.json-api</artifactId>
+		    <version>2.1.1</version>
+		</dependency>
+		<!-- https://mvnrepository.com/artifact/org.eclipse.parsson/parsson -->
+		<dependency>
+		    <groupId>org.eclipse.parsson</groupId>
+		    <artifactId>parsson</artifactId>
+		    <version>1.1.1</version>
+		</dependency>
+
+
 		        
 	</dependencies>
 </project>
diff --git a/src/main/java/cz/jezek/lab11/StreamMain.java b/src/main/java/cz/jezek/lab11/StreamMain.java
index 7bde04522991733bc5b0085c54c92b115ee2c697..b413116fb02ac45055e1fefad89b3906e304f0ac 100644
--- a/src/main/java/cz/jezek/lab11/StreamMain.java
+++ b/src/main/java/cz/jezek/lab11/StreamMain.java
@@ -51,15 +51,25 @@ public class StreamMain {
 			(t2.getPlayers().get(0) == t2.getMatches().get(0).getOponents().getPlayer1()));
 	
 	printTournamentAsXML(t);
+	
 	t2 = loadTournamentFromXML();
 	System.out.print("p1 == m.oponents.player1  " + 
 			(t2.getPlayers().get(0) == t2.getMatches().get(0).getOponents().getPlayer1()));
 	
+	printTournamentAsJSON(t);
+	t2 = loadTournamentFromJSON();
+	System.out.print("p1 == m.oponents.player1  " + 
+			(t2.getPlayers().get(0) == t2.getMatches().get(0).getOponents().getPlayer1()));
+	
+	
   }
   
   
 
-  public static void printStatAboutTournament(Tournament tournament) {
+
+
+
+public static void printStatAboutTournament(Tournament tournament) {
     System.out.println(tournament);
     Player player = tournament.getRandomPlayer();
 
@@ -142,6 +152,7 @@ public static Tournament loadTournament() {
 			marshaller.setProperty(MarshallerProperties.MEDIA_TYPE, "application/json");
 			marshaller.setProperty(MarshallerProperties.JSON_INCLUDE_ROOT, true);
 			marshaller.marshal(tournament, System.out);
+			marshaller.marshal(tournament, new File("tournament.json"));
 		} catch (JAXBException e) {
 			e.printStackTrace();
 		}
@@ -149,16 +160,29 @@ public static Tournament loadTournament() {
 
 
 
-private static Tournament loadTournamentFromXML() {
-	try {
-		JAXBContext context = JAXBContext.newInstance(Tournament.class);
-		Unmarshaller unmarshaller= context.createUnmarshaller();
-		return (Tournament) unmarshaller.unmarshal(new File("tournament.xml"));
-	} catch (JAXBException e) {
-		e.printStackTrace();
+	private static Tournament loadTournamentFromXML() {
+		try {
+			JAXBContext context = JAXBContext.newInstance(Tournament.class);
+			Unmarshaller unmarshaller= context.createUnmarshaller();
+			return (Tournament) unmarshaller.unmarshal(new File("tournament.xml"));
+		} catch (JAXBException e) {
+			e.printStackTrace();
+		}
+		return null;
+	}
+	
+	private static Tournament loadTournamentFromJSON() {
+		try {
+			JAXBContext context = JAXBContext.newInstance(Tournament.class);
+			Unmarshaller unmarshaller= context.createUnmarshaller();
+			unmarshaller.setProperty(MarshallerProperties.MEDIA_TYPE, "application/json");
+			unmarshaller.setProperty(MarshallerProperties.JSON_INCLUDE_ROOT, true);
+			return (Tournament) unmarshaller.unmarshal(new File("tournament.json"));
+		} catch (JAXBException e) {
+			e.printStackTrace();
+		}
+		return null;
 	}
-	return null;
-}
   
   
  }
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 6e380307557e144ba6b7a90f124a5afbbe2f0c7b..a5dd064379078d418690032c540bad737be156d6 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -4,6 +4,8 @@ module cz.jezek.lab10 {
     requires jakarta.xml.bind;
     requires java.sql;
     requires org.eclipse.persistence.moxy;
+    requires jakarta.json;
+    requires com.sun.tools.xjc;
     opens cz.jezek.lab11;
     exports cz.jezek.lab11;
 }
\ No newline at end of file