app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/Participant.java

@@ -4,7 +4,7 @@ import java.io.Serializable;
 
 public interface Participant extends Serializable {
     String getName();
-    void setName(String name);
+    void setName(String name) throws InvalidNameException;
     boolean equals(Participant participant);
     void change(Participant participant) throws Person.InvalidPhoneNumberException;
 }

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/Player.java

@@ -99,7 +99,7 @@ public class Player extends Person implements Participant {
     /**
      * Override of equals method to compare participants against each other
      *
-     * @param participant
+     * @param participant to be compared with this instance
      * @return true if equals, false if not
      */
     @Override
@@ -114,7 +114,7 @@ public class Player extends Person implements Participant {
      * @param participant the new participant to be added
      */
     @Override
-    public void change(Participant participant) {
+    public void change(Participant participant) throws InvalidPhoneNumberException {
         logger.fine("changing the current Player " + this + "with " + participant.getName());
         Player player = (Player) participant;
 

app/src/main/java/ch/zhaw/projekt2/turnierverwaltung/Tournament.java

@@ -59,7 +59,7 @@ public class Tournament implements Serializable {
      *
      * @param newParticipant the Participant to be saved or edited
      */
-    public void saveParticipant(Participant newParticipant) {
+    public void saveParticipant(Participant newParticipant) throws Person.InvalidPhoneNumberException {
         logger.fine("Trying to add " + newParticipant + " into the tournament");
         for (Participant participant : participants) {
             if (participant.equals(newParticipant)) {