Polishing.

Related: #1346.

.sdkmanrc

@@ -1 +1,21 @@
+#
+# Copyright 2005-2022 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Use `sdk env` to manually apply this file.
+# Set `sdkman_auto_env=true` in $HOME/.sdkman/etc/config to make it automatic.
+#
+# NOTE: Switching branches will NOT trigger a change. Only switching folder will do it. Use `sdk env` to apply when simply switching branches.
+
 java=8.0.352-librca