Constructor injection

src/main/java/be/syntra/cowsay/DragonCowSay.java

@@ -5,7 +5,7 @@ public class DragonCowSay implements CowSay {
     private QuoteDao quoteDao;
     private Quote quote;
 
-    public void setQuoteDao(QuoteDao quoteDao) {
+    public DragonCowSay (QuoteDao quoteDao) {
         this.quoteDao = quoteDao;
     }
 

src/main/java/be/syntra/cowsay/OriginalCowSay.java

@@ -5,7 +5,7 @@ public class OriginalCowSay implements CowSay {
     private QuoteDao quoteDao;
     private Quote quote;
 
-    public void setQuoteDao(QuoteDao quoteDao) {
+    public OriginalCowSay(QuoteDao quoteDao) {
         this.quoteDao = quoteDao;
     }
 

src/main/resources/applicationContext.xml

@@ -15,9 +15,8 @@
 	</bean>
 
 	<bean id="cowSay"
-		  class="be.syntra.cowsay.OriginalCowSay">
-		<property name="quoteDao" ref="quoteDao" />
-		<!--  <property name = "field holding object in this class"> <bean id = "ID object to be injected"/> -->
+		  class="be.syntra.cowsay.DragonCowSay">
+		<constructor-arg ref="quoteDao"/>
 	</bean>
 
 	<bean id="quoteDao"