Initial commit

src/main/java/animals/Bear.java

@@ -19,7 +19,7 @@ public class Bear extends Carnivorous implements Run, Voice {
     }
 
     @Override
-    public Voice getVoice(){
+    public String getVoice() {
         return "гррр";
     }
 }

src/main/java/animals/Duck.java

@@ -39,7 +39,7 @@ public class Duck extends Herbivore implements Run, Swim, Fly, Voice {
     }
 
     @Override
-    public Voice getVoice(){
+    public String getVoice(){
         return "кря";
     }
 }

src/main/java/animals/Kotik.java

@@ -19,7 +19,7 @@ public class Kotik extends Carnivorous implements Run, Voice {
     }
 
     @Override
-    public Voice getVoice(){
+    public String getVoice(){
         return "мяу";
     }
 }

src/main/java/animals/Sheep.java

@@ -19,7 +19,7 @@ public class Sheep extends Herbivore implements Run, Voice {
     }
 
     @Override
-    public Voice getVoice(){
+    public String getVoice(){
         return "бее";
     }
 }

src/main/java/animals/Voice.java

@@ -1,5 +1,5 @@
 package animals;
 
 public interface Voice {
-    Voice getVoice();
+    String getVoice();
 }