Update DevopsTrainingApplication.java

Author: RevlynPllum

src/main/java/com/example/devopstraining/DevopsTrainingApplication.java

@@ -6,7 +6,11 @@
 @SpringBootApplication
 public class DevopsTrainingApplication {
 
-    public static void main(String[] args) {
+    protected DevopsTrainingApplication() {
+        // Protected constructor to satisfy Checkstyle while allowing Spring to instantiate
+    }
+
+    public static void main(final String[] args) {
         SpringApplication.run(DevopsTrainingApplication.class, args);
     }
 }