No need to create garbage if settings have value

h2/src/main/org/h2/engine/SettingsBase.java

@@ -64,6 +64,10 @@ public class SettingsBase {
      * @return the setting
      */
     protected String get(String key, String defaultValue) {
+        String v = settings.get(key);
+        if (v != null) {
+            return v;
+        }
         StringBuilder buff = new StringBuilder("h2.");
         boolean nextUpper = false;
         for (char c : key.toCharArray()) {
@@ -76,11 +80,8 @@ public class SettingsBase {
             }
         }
         String sysProperty = buff.toString();
-        String v = settings.get(key);
-        if (v == null) {
-            v = Utils.getProperty(sysProperty, defaultValue);
-            settings.put(key, v);
-        }
+        v = Utils.getProperty(sysProperty, defaultValue);
+        settings.put(key, v);
         return v;
     }