[refactor] Remove unnecessary declarations in servant pattern.

servant/src/main/java/com/iluwatar/App.java

@@ -4,50 +4,48 @@ import java.util.ArrayList;
 
 
 /**
- * Servant offers some functionality to a group of classes without defining that functionality in each of them. 
+ * Servant offers some functionality to a group of classes without defining that functionality in each of them.
  * A Servant is a class whose instance provides methods that take care of a desired service,
  * while objects for which the servant does something, are taken as parameters.
  *
  */
 public class App {
-	static Servant jenkins = new Servant("Jenkins");
-	static Servant travis = new Servant("Travis");
-	
-	public static void main( String[] args ){
-		scenario(jenkins, 1);
-		scenario(travis, 0);
-	}
-	
-	/*
-	 * Can add a List with enum Actions for variable scenarios
-	 * */
-	public static void scenario(Servant servant, int compliment){
-		King k = new King();
-		Queen q = new Queen();
-		
-		ArrayList<Royalty> guests = new ArrayList<>();
-		guests.add(k);
-		guests.add(q);
-		
-		//feed
-		servant.feed(k);
-		servant.feed(q);
-		//serve drinks
-		servant.giveWine(k);
-		servant.giveWine(q);
-		//compliment
-		servant.GiveCompliments( guests.get(compliment) );
-		
-		//outcome of the night
-		for(Royalty r : guests)
-			r.changeMood();
-		
-		//check your luck
-		if( servant.checkIfYouWillBeHanged(guests) )
-			System.out.println(servant.name + " will live another day");
-		else
-			System.out.println("Poor " + servant.name + ". His days are numbered");
-	}
-	
-	
+    static Servant jenkins = new Servant("Jenkins");
+    static Servant travis = new Servant("Travis");
+
+    public static void main(String[] args) {
+        scenario(jenkins, 1);
+        scenario(travis, 0);
+    }
+
+    /*
+     * Can add a List with enum Actions for variable scenarios
+     * */
+    public static void scenario(Servant servant, int compliment) {
+        King k = new King();
+        Queen q = new Queen();
+
+        ArrayList<Royalty> guests = new ArrayList<>();
+        guests.add(k);
+        guests.add(q);
+
+        //feed
+        servant.feed(k);
+        servant.feed(q);
+        //serve drinks
+        servant.giveWine(k);
+        servant.giveWine(q);
+        //compliment
+        servant.GiveCompliments(guests.get(compliment));
+
+        //outcome of the night
+        for (Royalty r : guests)
+            r.changeMood();
+
+        //check your luck
+        if (servant.checkIfYouWillBeHanged(guests))
+            System.out.println(servant.name + " will live another day");
+        else
+            System.out.println("Poor " + servant.name + ". His days are numbered");
+    }
 }

servant/src/main/java/com/iluwatar/King.java

@@ -1,31 +1,33 @@
 package com.iluwatar;
 
-public class King implements Royalty{
-	private boolean isDrunk = false, isHungry = true, isHappy = false;
-	private boolean complimentReceived = false;
-	
-	@Override
-	public void getFed() {
-		isHungry = false;
-	}
+public class King implements Royalty {
+    private boolean isDrunk;
+    private boolean isHungry = true;
+    private boolean isHappy;
+    private boolean complimentReceived;
 
-	@Override
-	public void getDrink() {
-		isDrunk = true;
-	}
-	
-	public void receiveCompliments(){
-		complimentReceived = true;
-	}
+    @Override
+    public void getFed() {
+        isHungry = false;
+    }
 
-	@Override
-	public void changeMood() {
-		if(!isHungry && isDrunk) isHappy = true;
-		if( complimentReceived ) isHappy = false;
-	}
+    @Override
+    public void getDrink() {
+        isDrunk = true;
+    }
 
-	@Override
-	public boolean getMood() {
-		return isHappy;
-	}
+    public void receiveCompliments() {
+        complimentReceived = true;
+    }
+
+    @Override
+    public void changeMood() {
+        if (!isHungry && isDrunk) isHappy = true;
+        if (complimentReceived) isHappy = false;
+    }
+
+    @Override
+    public boolean getMood() {
+        return isHappy;
+    }
 }

servant/src/main/java/com/iluwatar/Queen.java

@@ -1,35 +1,38 @@
 package com.iluwatar;
 
-public class Queen implements Royalty{
-	private boolean isDrunk = true, isHungry = false, isHappy = false;
-	private boolean isFlirty = true, complimentReceived = false;
-	
-	@Override
-	public void getFed() {
-		isHungry = false;
-	}
+public class Queen implements Royalty {
+    private boolean isDrunk = true;
+    private boolean isHungry;
+    private boolean isHappy;
+    private boolean isFlirty = true;
+    private boolean complimentReceived;
 
-	@Override
-	public void getDrink() {
-		isDrunk = true;
-	}
-	
-	public void receiveCompliments(){
-		complimentReceived = true;
-	}
+    @Override
+    public void getFed() {
+        isHungry = false;
+    }
 
-	@Override
-	public void changeMood() {
-		if( complimentReceived && isFlirty && isDrunk ) isHappy = true;
-	}
+    @Override
+    public void getDrink() {
+        isDrunk = true;
+    }
 
-	@Override
-	public boolean getMood() {
-		return isHappy;
-	}
-	
-	public void setFlirtiness(boolean f){
-		this.isFlirty = f;
-	}
+    public void receiveCompliments() {
+        complimentReceived = true;
+    }
+
+    @Override
+    public void changeMood() {
+        if (complimentReceived && isFlirty && isDrunk) isHappy = true;
+    }
+
+    @Override
+    public boolean getMood() {
+        return isHappy;
+    }
+
+    public void setFlirtiness(boolean f) {
+        this.isFlirty = f;
+    }
 
 }

servant/src/main/java/com/iluwatar/Royalty.java

@@ -1,9 +1,14 @@
 package com.iluwatar;
 
 interface Royalty {
-	public void getFed();
-	public void getDrink();
-	public void changeMood();
-	public void receiveCompliments();
-	public boolean getMood();
+
+    void getFed();
+
+    void getDrink();
+
+    void changeMood();
+
+    void receiveCompliments();
+
+    boolean getMood();
 }