Caching size in loops for grid package

Author: LuisOsv

java/src/org/openqa/selenium/grid/node/docker/DockerOptions.java

@@ -140,10 +140,11 @@ public Map<Capabilities, Collection<SessionFactory>> getDockerSessionFactories(
         config.getAll(DOCKER_SECTION, "host-config-keys").orElseGet(Collections::emptyList);
 
     Multimap<String, Capabilities> kinds = HashMultimap.create();
-    for (int i = 0; i < allConfigs.size(); i++) {
+    int configsCount = allConfigs.size();
+    for (int i = 0; i < configsCount; i++) {
       String imageName = allConfigs.get(i);
       i++;
-      if (i == allConfigs.size()) {
+      if (i == configsCount) {
         throw new DockerException("Unable to find JSON config");
       }
       Capabilities stereotype =

java/src/org/openqa/selenium/grid/node/relay/RelayOptions.java

@@ -153,15 +153,16 @@ public Map<Capabilities, Collection<SessionFactory>> getSessionFactories(
                 () -> new ConfigException("Unable to find configs for " + getServiceUri()));
 
     Multimap<Integer, Capabilities> parsedConfigs = HashMultimap.create();
-    for (int i = 0; i < allConfigs.size(); i++) {
+    int configsCount = allConfigs.size();
+    for (int i = 0; i < configsCount; i++) {
       int maxSessions;
       try {
         maxSessions = Integer.parseInt(extractConfiguredValue(allConfigs.get(i)));
       } catch (NumberFormatException e) {
         throw new ConfigException("Unable parse value as number. " + allConfigs.get(i));
       }
       i++;
-      if (i == allConfigs.size()) {
+      if (i == configsCount) {
         throw new ConfigException("Unable to find stereotype config. " + allConfigs);
       }
       Capabilities stereotype =