Minor code improvements

Author: Marcono1234

gson/src/main/java/com/google/gson/internal/bind/ReflectiveTypeAdapterFactory.java

@@ -127,6 +127,11 @@ public T read(JsonReader in) throws IOException {
         public void write(JsonWriter out, T value) throws IOException {
           out.nullValue();
         }
+
+        @Override
+        public String toString() {
+          return "AnonymousOrNonStaticLocalClassAdapter";
+        }
       };
     }
 

gson/src/main/java/com/google/gson/internal/reflect/ReflectionHelper.java

@@ -148,7 +148,7 @@ private static void appendExecutableParameters(
   }
 
   public static boolean isStatic(Class<?> clazz) {
-    return (clazz.getModifiers() & Modifier.STATIC) != 0;
+    return Modifier.isStatic(clazz.getModifiers());
   }
 
   /** Returns whether the class is anonymous or a non-static local class. */