I've checked style guide

Main.java

@@ -1,6 +1,5 @@
-import Pokemons.Gallade;
-import Pokemons.Kirlia;
-import Pokemons.Volcanion;
+import pokemons.Gallade;
+import pokemons.Volcanion;
 import ru.ifmo.se.pokemon.*;
 
 // Вариант 6310199

Makefile

@@ -1,6 +1,6 @@
 all:
 	rm -rf target
-	javac -cp lib/pokemon.jar -d target -sourcepath . Main.java Pokemons/* Moves/*
+	javac -cp lib/pokemon.jar -d target -sourcepath . Main.java pokemons/* moves/*
 	cd target; jar cfm app.jar ../MANIFEST.mf *.class ./**/*.class
 	mv target/app.jar ./
 	rm -rf target

moves/Blizzard.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.Pokemon;

moves/BodySlam.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.PhysicalMove;

moves/CalmMind.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.Pokemon;

moves/DazzlingGleam.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.SpecialMove;
 import ru.ifmo.se.pokemon.Type;

moves/DoubleTeam.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.Pokemon;

moves/DrainingKiss.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.*;
 

moves/FocusBlast.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.*;
 

moves/Growl.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.Pokemon;

moves/HydroPump.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.SpecialMove;
 import ru.ifmo.se.pokemon.Type;

moves/Swagger.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.Pokemon;

moves/ZenHeadbutt.java

@@ -1,4 +1,4 @@
-package Moves;
+package moves;
 
 import ru.ifmo.se.pokemon.Effect;
 import ru.ifmo.se.pokemon.PhysicalMove;

pokemons/Gallade.java

@@ -1,6 +1,6 @@
-package Pokemons;
+package pokemons;
 
-import Moves.Swagger;
+import moves.Swagger;
 import ru.ifmo.se.pokemon.Type;
 
 public class Gallade extends Kirlia {

pokemons/Kirlia.java

@@ -1,6 +1,6 @@
-package Pokemons;
+package pokemons;
 
-import Moves.DrainingKiss;
+import moves.DrainingKiss;
 
 public class Kirlia extends Ralts {
 

pokemons/Ralts.java

@@ -1,7 +1,7 @@
-package Pokemons;
+package pokemons;
 
-import Moves.CalmMind;
-import Moves.DazzlingGleam;
+import moves.CalmMind;
+import moves.DazzlingGleam;
 import ru.ifmo.se.pokemon.Pokemon;
 import ru.ifmo.se.pokemon.Type;
 

pokemons/Slowking.java

@@ -1,6 +1,6 @@
-package Pokemons;
+package pokemons;
 
-import Moves.FocusBlast;
+import moves.FocusBlast;
 
 public class Slowking extends Slowpoke {
   public Slowking(String name, int level) {

pokemons/Slowpoke.java

@@ -1,8 +1,8 @@
-package Pokemons;
+package pokemons;
 
-import Moves.Blizzard;
-import Moves.Growl;
-import Moves.ZenHeadbutt;
+import moves.Blizzard;
+import moves.Growl;
+import moves.ZenHeadbutt;
 import ru.ifmo.se.pokemon.Pokemon;
 import ru.ifmo.se.pokemon.Type;
 

pokemons/Volcanion.java

@@ -1,9 +1,9 @@
-package Pokemons;
+package pokemons;
 
-import Moves.BodySlam;
-import Moves.DoubleTeam;
-import Moves.HydroPump;
-import Moves.Swagger;
+import moves.BodySlam;
+import moves.DoubleTeam;
+import moves.HydroPump;
+import moves.Swagger;
 import ru.ifmo.se.pokemon.*;
 
 public class Volcanion extends Pokemon {