add invoking static methods (#11439)

core-java-modules/core-java-reflection-2/src/main/java/com/baeldung/reflection/access/staticmethods/GreetingAndBye.java

@@ -0,0 +1,12 @@
+package com.baeldung.reflection.access.staticmethods;
+
+public class GreetingAndBye {
+
+    public static String greeting(String name) {
+        return String.format("Hey %s, nice to meet you!", name);
+    }
+
+    private static String goodBye(String name) {
+        return String.format("Bye %s, see you next time.", name);
+    }
+}