# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1319743346 -7200
# Node ID 91c9416df02555a67fa9c0e8f619c9f5fea3967f
# Parent  8232b021005dfd4c1f8317f5d5c5da85f0179f90
Providing real world example of misuse of singletons

diff -r 8232b021005d -r 91c9416df025 samples/individualsamples/src/org/apidesign/samples/Singletons.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/individualsamples/src/org/apidesign/samples/Singletons.java	Thu Oct 27 21:22:26 2011 +0200
@@ -0,0 +1,43 @@
+package org.apidesign.samples;
+
+/** Showing some horrible usages of singletons.
+ */
+public class Singletons {
+    static {
+        // BEGIN: singleton.no.no
+        /** initialize singletons */
+        Database.init();
+        OfflineQueue.init();
+        CreditCardProcessor.init();
+        /** use singletons */
+        CreditCard c =  new CreditCard(
+          "1234 5678 9012 3456", 5, 2008
+        );
+        c.charge(100);
+        // END: singleton.no.no
+    }
+    
+    static final class Database {
+        public static void init() {
+        }
+    }
+
+    static final class OfflineQueue {
+        public static void init() {
+        }
+    }
+    
+    static final class CreditCardProcessor {
+        public static void init() {
+        }
+    }
+
+    private static class CreditCard {
+
+        public CreditCard(String card, int month, int year) {
+        }
+
+        private void charge(int amount) {
+        }
+    }
+}