Fix warnings

1 files changed, 4 insertions, 4 deletions

diff --git a/src/main/java/org/traccar/config/ConfigKey.java b/src/main/java/org/traccar/config/ConfigKey.java
index 2e54ad392..b9f54bcca 100644
--- a/src/main/java/org/traccar/config/ConfigKey.java
+++ b/src/main/java/org/traccar/config/ConfigKey.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2019 - 2020 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,9 +18,9 @@ package org.traccar.config;
 public class ConfigKey {
 
     private final String key;
-    private final Class clazz;
+    private final Class<?> clazz;
 
-    ConfigKey(String key, Class clazz) {
+    ConfigKey(String key, Class<?> clazz) {
         this.key = key;
         this.clazz = clazz;
     }
@@ -29,7 +29,7 @@ public class ConfigKey {
         return key;
     }
 
-    Class getValueClass() {
+    Class<?> getValueClass() {
         return clazz;
     }