1 files changed, 25 insertions, 0 deletions
diff --git a/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java
new file mode 100644
index 0000000..f71e2ce
--- /dev/null
+++ b/Master/Reference Architectures and Patterns/hjp5/examples/Listing1503.java
@@ -0,0 +1,25 @@
+/* Listing1503.java */
+
+import java.util.*;
+
+public class Listing1503
+{
+  public static void main(String[] args)
+  {
+    HashSet set = new HashSet(10);
+    int doubletten = 0;
+    //Lottozahlen erzeugen
+    while (set.size() < 6) {
+      int num = (int)(Math.random() * 49) + 1;
+      if (!set.add(new Integer(num))) {
+        ++doubletten;
+      }
+    }
+    //Lottozahlen ausgeben
+    Iterator it = set.iterator();
+    while (it.hasNext()) {
+      System.out.println(((Integer)it.next()).toString());
+    }
+    System.out.println("Ignorierte Doubletten: " + doubletten);
+  }
+}
+\ No newline at end of file