fix: linter

Author: NguyenHoangSon96

examples/src/main/java/com/influxdb/v3/ProxyExample.java

@@ -13,7 +13,9 @@
 import com.influxdb.v3.client.PointValues;
 import com.influxdb.v3.client.config.ClientConfig;
 
-public class ProxyExample {
+public final class ProxyExample {
+
+    private ProxyExample() { }
 
     public static void main(final String[] args) throws Exception {
         // Run docker-compose.yml file to start Envoy proxy
@@ -53,7 +55,5 @@ public static void main(final String[] args) throws Exception {
                     });
         }
     }
-
-    private ProxyExample(){}
 }