This commit optimizes code in ResourceBundleMessageSource by using computeIfAbsent instead of putIfAbsent. In addition, the content of some Javadoc has been adjusted. Closes gh-25054
This commit optimizes code in ResourceBundleMessageSource by using computeIfAbsent instead of putIfAbsent. In addition, the content of some Javadoc has been adjusted. Closes gh-25054