Step 2: applying singleton pattern

premaseem · premaseem · commit 7343677941e7 · 2018-01-17T21:35:35.000-06:00
diff --git a/pattern/src/com/premaseem/Client.java b/pattern/src/com/premaseem/Client.java
@@ -9,9 +9,9 @@
 public class Client {
     public static void main (String[] args) {
         System.out.println("Singleton cook example ");
-        Cook cook1 = new Cook();
-        Cook cook2 = new Cook();
-        Cook cook3 = new Cook();
+        Cook cook1 = Cook.getInstance();
+        Cook cook2 = Cook.getInstance();
+        Cook cook3 = Cook.getInstance();
 
         cook1.makeBroth();
         cook2.makeBroth();
diff --git a/pattern/src/com/premaseem/Cook.java b/pattern/src/com/premaseem/Cook.java
@@ -8,10 +8,19 @@
 */
 public class Cook {
 
-    public Cook(){
+    private Cook(){
 
     }
 
+    private static Cook uniqueInstance = null;
+
+    public static Cook getInstance(){
+
+        if(uniqueInstance == null){
+            uniqueInstance = new Cook();
+        }
+        return uniqueInstance;
+    }
     boolean saltAdded = false;
 
     public void makeBroth(){
