Adding Servant Design pattern classes

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

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+package com.iluwatar;
+
+import java.util.ArrayList;
+
+
+/**
+ * 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);
+	}
+	
+	
+	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");
+	}
+	
+	
+}