Changing code to use interfaces instead of implementations.

2017-01-21 15:47:54 -07:00
parent 6292690250
commit d6fc28e120
24 changed files with 346 additions and 13 deletions
--- a/servant/src/main/java/com/iluwatar/servant/App.java
+++ b/servant/src/main/java/com/iluwatar/servant/App.java
@@ -26,6 +26,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

 import java.util.ArrayList;
+import java.util.List;


 /**
@@ -58,7 +59,7 @@ public class App {
    King k = new King();
    Queen q = new Queen();

-    ArrayList<Royalty> guests = new ArrayList<>();
+    List<Royalty> guests = new ArrayList<>();
    guests.add(k);
    guests.add(q);