BAEL-6729 Add example code for mocking one method with multiple parameters

testing-modules/mockito-2/src/main/java/com/baeldung/onemethodmultipleparams/ExampleService.java

@@ -0,0 +1,7 @@
+package com.baeldung.onemethodmultipleparams;
+
+public class ExampleService {
+    public int getValue(int arg) {
+        return 1;
+    }
+}