[java] Small performance improvement

SeleniumHQ · Apr 9, 2020 · 25c2c9c · 25c2c9c
1 parent eb236e5
commit 25c2c9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/java/server/src/org/openqa/selenium/grid/config/EnvConfig.java b/java/server/src/org/openqa/selenium/grid/config/EnvConfig.java
@@ -63,7 +63,7 @@ public Set<String> getSectionNames() {
     return System.getenv().keySet().stream()
       // We need at least two "_" characters
       .filter(key -> key.split("_").length > 1)
-      .map(key -> key.substring(0, key.indexOf("_")))
+      .map(key -> key.substring(0, key.indexOf('_')))
       .map(key -> key.toLowerCase(Locale.ENGLISH))
       .collect(toImmutableSortedSet(naturalOrder()));
   }