diff -r 82ff02d7f861 -r 40cabcdcd2be samples/covariance/src-api2.0/api/Covariance.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/covariance/src-api2.0/api/Covariance.java	Thu Oct 30 21:30:10 2014 +0100
@@ -0,0 +1,12 @@
+package api;
+
+public class Covariance {
+    private Covariance() {
+    }
+
+    // BEGIN: variance.covariance.v2
+    public static Integer max(int n1, int n2) {
+        return Math.max(n1, n2);
+    }
+    // END: variance.covariance.v2
+}