Reformat and clean up "client" package

src/main/java/client/Skill.java

@@ -28,11 +28,11 @@ import java.util.ArrayList;
 import java.util.List;
 
 public class Skill {
-    private int id;
-    private List<StatEffect> effects = new ArrayList<>();
+    private final int id;
+    private final List<StatEffect> effects = new ArrayList<>();
     private Element element;
     private int animationTime;
-    private int job;
+    private final int job;
     private boolean action;
 
     public Skill(int id) {
@@ -54,18 +54,18 @@ public class Skill {
 
     public boolean isFourthJob() {
         if (job == 2212) {
-        	return false;
+            return false;
         }
         if (id == 22170001 || id == 22171003 || id == 22171004 || id == 22181002 || id == 22181003) {
-        	return true;
+            return true;
         }
-    	return job % 10 == 2;
+        return job % 10 == 2;
     }
 
     public void setElement(Element elem) {
         element = elem;
     }
-    
+
     public Element getElement() {
         return element;
     }
@@ -73,11 +73,11 @@ public class Skill {
     public int getAnimationTime() {
         return animationTime;
     }
-    
+
     public void setAnimationTime(int time) {
         animationTime = time;
     }
-    
+
     public void incAnimationTime(int time) {
         animationTime += time;
     }
@@ -85,7 +85,7 @@ public class Skill {
     public boolean isBeginnerSkill() {
         return id % 10000000 < 10000;
     }
-    
+
     public void setAction(boolean act) {
         action = act;
     }
@@ -93,7 +93,7 @@ public class Skill {
     public boolean getAction() {
         return action;
     }
-    
+
     public void addLevelEffect(StatEffect effect) {
         effects.add(effect);
     }